Home / 54,406.10-75,079.15-30,532.16

Finding the Fourth Proportional to 54,406.10, 75,079.15 and 30,532.16

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Solution

The fourth proportional to 54,406.10, 75,079.15 and 30,532.16 is: 42,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,406.10 : 75,079.15 = 30,532.16 : x
  2. Step 2: Convert to fraction form
    54,406.10/75,079.15 = 30,532.16/x
  3. Step 3: Cross multiply
    54,406.10x = 75,079.15 × 30,532.16
  4. Step 4: Simplify right side
    54,406.10x = 2,292,328,168.74
  5. Step 5: Solve for x
    x = 2,292,328,168.74/54,406.10
  6. Step 6: Final answer
    x = 42,133.66

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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.