Home / 54,507.02-75,219-30,637.73

Finding the Fourth Proportional to 54,507.02, 75,219 and 30,637.73

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Solution

The fourth proportional to 54,507.02, 75,219 and 30,637.73 is: 42,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,507.02 : 75,219 = 30,637.73 : x
  2. Step 2: Convert to fraction form
    54,507.02/75,219 = 30,637.73/x
  3. Step 3: Cross multiply
    54,507.02x = 75,219 × 30,637.73
  4. Step 4: Simplify right side
    54,507.02x = 2,304,539,412.87
  5. Step 5: Solve for x
    x = 2,304,539,412.87/54,507.02
  6. Step 6: Final answer
    x = 42,279.68

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Double scale
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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.