Home / 29,303.17-40,438.24-15,874.38

Finding the Fourth Proportional to 29,303.17, 40,438.24 and 15,874.38

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Solution

The fourth proportional to 29,303.17, 40,438.24 and 15,874.38 is: 21,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,303.17 : 40,438.24 = 15,874.38 : x
  2. Step 2: Convert to fraction form
    29,303.17/40,438.24 = 15,874.38/x
  3. Step 3: Cross multiply
    29,303.17x = 40,438.24 × 15,874.38
  4. Step 4: Simplify right side
    29,303.17x = 641,931,948.61
  5. Step 5: Solve for x
    x = 641,931,948.61/29,303.17
  6. Step 6: Final answer
    x = 21,906.57

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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.