Home / 54,162.81-74,693.75-39,155.13

Finding the Fourth Proportional to 54,162.81, 74,693.75 and 39,155.13

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Solution

The fourth proportional to 54,162.81, 74,693.75 and 39,155.13 is: 53,997.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,162.81 : 74,693.75 = 39,155.13 : x
  2. Step 2: Convert to fraction form
    54,162.81/74,693.75 = 39,155.13/x
  3. Step 3: Cross multiply
    54,162.81x = 74,693.75 × 39,155.13
  4. Step 4: Simplify right side
    54,162.81x = 2,924,643,295.66
  5. Step 5: Solve for x
    x = 2,924,643,295.66/54,162.81
  6. Step 6: Final answer
    x = 53,997.26

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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.