Home / 31,402.13-47,110.12-10,348.65

Finding the Fourth Proportional to 31,402.13, 47,110.12 and 10,348.65

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Solution

The fourth proportional to 31,402.13, 47,110.12 and 10,348.65 is: 15,525.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.13 : 47,110.12 = 10,348.65 : x
  2. Step 2: Convert to fraction form
    31,402.13/47,110.12 = 10,348.65/x
  3. Step 3: Cross multiply
    31,402.13x = 47,110.12 × 10,348.65
  4. Step 4: Simplify right side
    31,402.13x = 487,526,117.47
  5. Step 5: Solve for x
    x = 487,526,117.47/31,402.13
  6. Step 6: Final answer
    x = 15,525.26

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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.