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Finding the Fourth Proportional to 61,841.32, 92,762.22 and 15,094.21

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Solution

The fourth proportional to 61,841.32, 92,762.22 and 15,094.21 is: 22,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,841.32 : 92,762.22 = 15,094.21 : x
  2. Step 2: Convert to fraction form
    61,841.32/92,762.22 = 15,094.21/x
  3. Step 3: Cross multiply
    61,841.32x = 92,762.22 × 15,094.21
  4. Step 4: Simplify right side
    61,841.32x = 1,400,172,428.75
  5. Step 5: Solve for x
    x = 1,400,172,428.75/61,841.32
  6. Step 6: Final answer
    x = 22,641.37

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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.