Home / 40,955.43-61,433.10-12,877.95

Finding the Fourth Proportional to 40,955.43, 61,433.10 and 12,877.95

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Solution

The fourth proportional to 40,955.43, 61,433.10 and 12,877.95 is: 19,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,955.43 : 61,433.10 = 12,877.95 : x
  2. Step 2: Convert to fraction form
    40,955.43/61,433.10 = 12,877.95/x
  3. Step 3: Cross multiply
    40,955.43x = 61,433.10 × 12,877.95
  4. Step 4: Simplify right side
    40,955.43x = 791,132,082.98
  5. Step 5: Solve for x
    x = 791,132,082.98/40,955.43
  6. Step 6: Final answer
    x = 19,316.90

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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.