Home / 42,686.20-63,975.30-16,355.80

Finding the Fourth Proportional to 42,686.20, 63,975.30 and 16,355.80

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Solution

The fourth proportional to 42,686.20, 63,975.30 and 16,355.80 is: 24,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,686.20 : 63,975.30 = 16,355.80 : x
  2. Step 2: Convert to fraction form
    42,686.20/63,975.30 = 16,355.80/x
  3. Step 3: Cross multiply
    42,686.20x = 63,975.30 × 16,355.80
  4. Step 4: Simplify right side
    42,686.20x = 1,046,367,211.74
  5. Step 5: Solve for x
    x = 1,046,367,211.74/42,686.20
  6. Step 6: Final answer
    x = 24,513.01

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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.