Home / 31,043.76-42,861.80-29,060.88

Finding the Fourth Proportional to 31,043.76, 42,861.80 and 29,060.88

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Solution

The fourth proportional to 31,043.76, 42,861.80 and 29,060.88 is: 40,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,043.76 : 42,861.80 = 29,060.88 : x
  2. Step 2: Convert to fraction form
    31,043.76/42,861.80 = 29,060.88/x
  3. Step 3: Cross multiply
    31,043.76x = 42,861.80 × 29,060.88
  4. Step 4: Simplify right side
    31,043.76x = 1,245,601,626.38
  5. Step 5: Solve for x
    x = 1,245,601,626.38/31,043.76
  6. Step 6: Final answer
    x = 40,124.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.