Home / 61,433.27-92,124.36-21,443.71

Finding the Fourth Proportional to 61,433.27, 92,124.36 and 21,443.71

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Solution

The fourth proportional to 61,433.27, 92,124.36 and 21,443.71 is: 32,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,433.27 : 92,124.36 = 21,443.71 : x
  2. Step 2: Convert to fraction form
    61,433.27/92,124.36 = 21,443.71/x
  3. Step 3: Cross multiply
    61,433.27x = 92,124.36 × 21,443.71
  4. Step 4: Simplify right side
    61,433.27x = 1,975,488,059.78
  5. Step 5: Solve for x
    x = 1,975,488,059.78/61,433.27
  6. Step 6: Final answer
    x = 32,156.65

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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.