Home / 54,656.32-75,424.96-30,783.28

Finding the Fourth Proportional to 54,656.32, 75,424.96 and 30,783.28

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Solution

The fourth proportional to 54,656.32, 75,424.96 and 30,783.28 is: 42,480.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,656.32 : 75,424.96 = 30,783.28 : x
  2. Step 2: Convert to fraction form
    54,656.32/75,424.96 = 30,783.28/x
  3. Step 3: Cross multiply
    54,656.32x = 75,424.96 × 30,783.28
  4. Step 4: Simplify right side
    54,656.32x = 2,321,827,662.67
  5. Step 5: Solve for x
    x = 2,321,827,662.67/54,656.32
  6. Step 6: Final answer
    x = 42,480.50

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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.