Home / 29,312.95-40,449.94-18,701.44

Finding the Fourth Proportional to 29,312.95, 40,449.94 and 18,701.44

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Solution

The fourth proportional to 29,312.95, 40,449.94 and 18,701.44 is: 25,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.95 : 40,449.94 = 18,701.44 : x
  2. Step 2: Convert to fraction form
    29,312.95/40,449.94 = 18,701.44/x
  3. Step 3: Cross multiply
    29,312.95x = 40,449.94 × 18,701.44
  4. Step 4: Simplify right side
    29,312.95x = 756,472,125.91
  5. Step 5: Solve for x
    x = 756,472,125.91/29,312.95
  6. Step 6: Final answer
    x = 25,806.76

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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.