Home / 54,482.76-75,187.08-30,609.36

Finding the Fourth Proportional to 54,482.76, 75,187.08 and 30,609.36

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Solution

The fourth proportional to 54,482.76, 75,187.08 and 30,609.36 is: 42,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,482.76 : 75,187.08 = 30,609.36 : x
  2. Step 2: Convert to fraction form
    54,482.76/75,187.08 = 30,609.36/x
  3. Step 3: Cross multiply
    54,482.76x = 75,187.08 × 30,609.36
  4. Step 4: Simplify right side
    54,482.76x = 2,301,428,399.07
  5. Step 5: Solve for x
    x = 2,301,428,399.07/54,482.76
  6. Step 6: Final answer
    x = 42,241.41

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.