Home / 42,013.60-62,890.80-24,431.20

Finding the Fourth Proportional to 42,013.60, 62,890.80 and 24,431.20

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Solution

The fourth proportional to 42,013.60, 62,890.80 and 24,431.20 is: 36,571.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,013.60 : 62,890.80 = 24,431.20 : x
  2. Step 2: Convert to fraction form
    42,013.60/62,890.80 = 24,431.20/x
  3. Step 3: Cross multiply
    42,013.60x = 62,890.80 × 24,431.20
  4. Step 4: Simplify right side
    42,013.60x = 1,536,497,712.96
  5. Step 5: Solve for x
    x = 1,536,497,712.96/42,013.60
  6. Step 6: Final answer
    x = 36,571.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.