Home / 56,614.28-78,140.58-35,108.78

Finding the Fourth Proportional to 56,614.28, 78,140.58 and 35,108.78

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Solution

The fourth proportional to 56,614.28, 78,140.58 and 35,108.78 is: 48,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,614.28 : 78,140.58 = 35,108.78 : x
  2. Step 2: Convert to fraction form
    56,614.28/78,140.58 = 35,108.78/x
  3. Step 3: Cross multiply
    56,614.28x = 78,140.58 × 35,108.78
  4. Step 4: Simplify right side
    56,614.28x = 2,743,420,432.29
  5. Step 5: Solve for x
    x = 2,743,420,432.29/56,614.28
  6. Step 6: Final answer
    x = 48,458.10

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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.