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Finding the Fourth Proportional to 45,283.80, 67,925.70 and 29,537.40

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Solution

The fourth proportional to 45,283.80, 67,925.70 and 29,537.40 is: 44,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,283.80 : 67,925.70 = 29,537.40 : x
  2. Step 2: Convert to fraction form
    45,283.80/67,925.70 = 29,537.40/x
  3. Step 3: Cross multiply
    45,283.80x = 67,925.70 × 29,537.40
  4. Step 4: Simplify right side
    45,283.80x = 2,006,348,571.18
  5. Step 5: Solve for x
    x = 2,006,348,571.18/45,283.80
  6. Step 6: Final answer
    x = 44,306.10

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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.