Home / 54,641.27-75,410.36-31,978.91

Finding the Fourth Proportional to 54,641.27, 75,410.36 and 31,978.91

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Solution

The fourth proportional to 54,641.27, 75,410.36 and 31,978.91 is: 44,134.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,641.27 : 75,410.36 = 31,978.91 : x
  2. Step 2: Convert to fraction form
    54,641.27/75,410.36 = 31,978.91/x
  3. Step 3: Cross multiply
    54,641.27x = 75,410.36 × 31,978.91
  4. Step 4: Simplify right side
    54,641.27x = 2,411,541,115.51
  5. Step 5: Solve for x
    x = 2,411,541,115.51/54,641.27
  6. Step 6: Final answer
    x = 44,134.06

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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.