Home / 42,590.88-63,890.28-14,501.52

Finding the Fourth Proportional to 42,590.88, 63,890.28 and 14,501.52

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Solution

The fourth proportional to 42,590.88, 63,890.28 and 14,501.52 is: 21,753.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,590.88 : 63,890.28 = 14,501.52 : x
  2. Step 2: Convert to fraction form
    42,590.88/63,890.28 = 14,501.52/x
  3. Step 3: Cross multiply
    42,590.88x = 63,890.28 × 14,501.52
  4. Step 4: Simplify right side
    42,590.88x = 926,506,173.23
  5. Step 5: Solve for x
    x = 926,506,173.23/42,590.88
  6. Step 6: Final answer
    x = 21,753.63

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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.