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Finding the Fourth Proportional to 41,358, 61,987.59 and 15,048.42

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Solution

The fourth proportional to 41,358, 61,987.59 and 15,048.42 is: 22,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,358 : 61,987.59 = 15,048.42 : x
  2. Step 2: Convert to fraction form
    41,358/61,987.59 = 15,048.42/x
  3. Step 3: Cross multiply
    41,358x = 61,987.59 × 15,048.42
  4. Step 4: Simplify right side
    41,358x = 932,815,289.11
  5. Step 5: Solve for x
    x = 932,815,289.11/41,358
  6. Step 6: Final answer
    x = 22,554.65

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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.