Home / 29,711.76-40,997.02-16,959.12

Finding the Fourth Proportional to 29,711.76, 40,997.02 and 16,959.12

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Solution

The fourth proportional to 29,711.76, 40,997.02 and 16,959.12 is: 23,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,711.76 : 40,997.02 = 16,959.12 : x
  2. Step 2: Convert to fraction form
    29,711.76/40,997.02 = 16,959.12/x
  3. Step 3: Cross multiply
    29,711.76x = 40,997.02 × 16,959.12
  4. Step 4: Simplify right side
    29,711.76x = 695,273,381.82
  5. Step 5: Solve for x
    x = 695,273,381.82/29,711.76
  6. Step 6: Final answer
    x = 23,400.61

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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.