Home / 38,210.17-57,289.11-19,453.91

Finding the Fourth Proportional to 38,210.17, 57,289.11 and 19,453.91

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Solution

The fourth proportional to 38,210.17, 57,289.11 and 19,453.91 is: 29,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,210.17 : 57,289.11 = 19,453.91 : x
  2. Step 2: Convert to fraction form
    38,210.17/57,289.11 = 19,453.91/x
  3. Step 3: Cross multiply
    38,210.17x = 57,289.11 × 19,453.91
  4. Step 4: Simplify right side
    38,210.17x = 1,114,497,189.92
  5. Step 5: Solve for x
    x = 1,114,497,189.92/38,210.17
  6. Step 6: Final answer
    x = 29,167.55

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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.