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Finding the Fourth Proportional to 61,377.60, 92,017.80 and 26,288.40

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Solution

The fourth proportional to 61,377.60, 92,017.80 and 26,288.40 is: 39,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,377.60 : 92,017.80 = 26,288.40 : x
  2. Step 2: Convert to fraction form
    61,377.60/92,017.80 = 26,288.40/x
  3. Step 3: Cross multiply
    61,377.60x = 92,017.80 × 26,288.40
  4. Step 4: Simplify right side
    61,377.60x = 2,419,000,733.52
  5. Step 5: Solve for x
    x = 2,419,000,733.52/61,377.60
  6. Step 6: Final answer
    x = 39,411.78

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1.5x scale

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.