Home / 31,520.13-47,298.62-17,491.94

Finding the Fourth Proportional to 31,520.13, 47,298.62 and 17,491.94

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Solution

The fourth proportional to 31,520.13, 47,298.62 and 17,491.94 is: 26,248.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520.13 : 47,298.62 = 17,491.94 : x
  2. Step 2: Convert to fraction form
    31,520.13/47,298.62 = 17,491.94/x
  3. Step 3: Cross multiply
    31,520.13x = 47,298.62 × 17,491.94
  4. Step 4: Simplify right side
    31,520.13x = 827,344,623.12
  5. Step 5: Solve for x
    x = 827,344,623.12/31,520.13
  6. Step 6: Final answer
    x = 26,248.13

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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.