Home / 61,938.52-92,908.20-15,191.38

Finding the Fourth Proportional to 61,938.52, 92,908.20 and 15,191.38

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Solution

The fourth proportional to 61,938.52, 92,908.20 and 15,191.38 is: 22,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,938.52 : 92,908.20 = 15,191.38 : x
  2. Step 2: Convert to fraction form
    61,938.52/92,908.20 = 15,191.38/x
  3. Step 3: Cross multiply
    61,938.52x = 92,908.20 × 15,191.38
  4. Step 4: Simplify right side
    61,938.52x = 1,411,403,771.32
  5. Step 5: Solve for x
    x = 1,411,403,771.32/61,938.52
  6. Step 6: Final answer
    x = 22,787.17

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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.