Home / 38,491.60-57,737.40-17,715.10

Finding the Fourth Proportional to 38,491.60, 57,737.40 and 17,715.10

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Solution

The fourth proportional to 38,491.60, 57,737.40 and 17,715.10 is: 26,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,491.60 : 57,737.40 = 17,715.10 : x
  2. Step 2: Convert to fraction form
    38,491.60/57,737.40 = 17,715.10/x
  3. Step 3: Cross multiply
    38,491.60x = 57,737.40 × 17,715.10
  4. Step 4: Simplify right side
    38,491.60x = 1,022,823,814.74
  5. Step 5: Solve for x
    x = 1,022,823,814.74/38,491.60
  6. Step 6: Final answer
    x = 26,572.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.