Home / 56,490.60-78,006.60-35,306.04

Finding the Fourth Proportional to 56,490.60, 78,006.60 and 35,306.04

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Solution

The fourth proportional to 56,490.60, 78,006.60 and 35,306.04 is: 48,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,490.60 : 78,006.60 = 35,306.04 : x
  2. Step 2: Convert to fraction form
    56,490.60/78,006.60 = 35,306.04/x
  3. Step 3: Cross multiply
    56,490.60x = 78,006.60 × 35,306.04
  4. Step 4: Simplify right side
    56,490.60x = 2,754,104,139.86
  5. Step 5: Solve for x
    x = 2,754,104,139.86/56,490.60
  6. Step 6: Final answer
    x = 48,753.32

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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.