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Finding the Fourth Proportional to 61,648.40, 92,472.60 and 22,206.80

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Solution

The fourth proportional to 61,648.40, 92,472.60 and 22,206.80 is: 33,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,648.40 : 92,472.60 = 22,206.80 : x
  2. Step 2: Convert to fraction form
    61,648.40/92,472.60 = 22,206.80/x
  3. Step 3: Cross multiply
    61,648.40x = 92,472.60 × 22,206.80
  4. Step 4: Simplify right side
    61,648.40x = 2,053,520,533.68
  5. Step 5: Solve for x
    x = 2,053,520,533.68/61,648.40
  6. Step 6: Final answer
    x = 33,310.20

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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.