Home / 42,590.02-63,891.90-13,000.94

Finding the Fourth Proportional to 42,590.02, 63,891.90 and 13,000.94

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Solution

The fourth proportional to 42,590.02, 63,891.90 and 13,000.94 is: 19,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,590.02 : 63,891.90 = 13,000.94 : x
  2. Step 2: Convert to fraction form
    42,590.02/63,891.90 = 13,000.94/x
  3. Step 3: Cross multiply
    42,590.02x = 63,891.90 × 13,000.94
  4. Step 4: Simplify right side
    42,590.02x = 830,654,758.39
  5. Step 5: Solve for x
    x = 830,654,758.39/42,590.02
  6. Step 6: Final answer
    x = 19,503.51

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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.