Home / 29,501.28-40,711.79-16,072.56

Finding the Fourth Proportional to 29,501.28, 40,711.79 and 16,072.56

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Solution

The fourth proportional to 29,501.28, 40,711.79 and 16,072.56 is: 22,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,501.28 : 40,711.79 = 16,072.56 : x
  2. Step 2: Convert to fraction form
    29,501.28/40,711.79 = 16,072.56/x
  3. Step 3: Cross multiply
    29,501.28x = 40,711.79 × 16,072.56
  4. Step 4: Simplify right side
    29,501.28x = 654,342,727.66
  5. Step 5: Solve for x
    x = 654,342,727.66/29,501.28
  6. Step 6: Final answer
    x = 22,180.15

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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.