Home / 55,406.97-76,470.42-31,541.34

Finding the Fourth Proportional to 55,406.97, 76,470.42 and 31,541.34

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Solution

The fourth proportional to 55,406.97, 76,470.42 and 31,541.34 is: 43,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,406.97 : 76,470.42 = 31,541.34 : x
  2. Step 2: Convert to fraction form
    55,406.97/76,470.42 = 31,541.34/x
  3. Step 3: Cross multiply
    55,406.97x = 76,470.42 × 31,541.34
  4. Step 4: Simplify right side
    55,406.97x = 2,411,979,517.16
  5. Step 5: Solve for x
    x = 2,411,979,517.16/55,406.97
  6. Step 6: Final answer
    x = 43,532.06

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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.