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Finding the Fourth Proportional to 61,483.80, 92,225.70 and 19,930.80

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Solution

The fourth proportional to 61,483.80, 92,225.70 and 19,930.80 is: 29,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,483.80 : 92,225.70 = 19,930.80 : x
  2. Step 2: Convert to fraction form
    61,483.80/92,225.70 = 19,930.80/x
  3. Step 3: Cross multiply
    61,483.80x = 92,225.70 × 19,930.80
  4. Step 4: Simplify right side
    61,483.80x = 1,838,131,981.56
  5. Step 5: Solve for x
    x = 1,838,131,981.56/61,483.80
  6. Step 6: Final answer
    x = 29,896.20

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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.