Home / 52,590.24-78,885.54-13,147.38

Finding the Fourth Proportional to 52,590.24, 78,885.54 and 13,147.38

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Solution

The fourth proportional to 52,590.24, 78,885.54 and 13,147.38 is: 19,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,590.24 : 78,885.54 = 13,147.38 : x
  2. Step 2: Convert to fraction form
    52,590.24/78,885.54 = 13,147.38/x
  3. Step 3: Cross multiply
    52,590.24x = 78,885.54 × 13,147.38
  4. Step 4: Simplify right side
    52,590.24x = 1,037,138,170.89
  5. Step 5: Solve for x
    x = 1,037,138,170.89/52,590.24
  6. Step 6: Final answer
    x = 19,721.11

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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.