Home / 31,703.47-47,555.61-15,065.13

Finding the Fourth Proportional to 31,703.47, 47,555.61 and 15,065.13

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Solution

The fourth proportional to 31,703.47, 47,555.61 and 15,065.13 is: 22,597.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.47 : 47,555.61 = 15,065.13 : x
  2. Step 2: Convert to fraction form
    31,703.47/47,555.61 = 15,065.13/x
  3. Step 3: Cross multiply
    31,703.47x = 47,555.61 × 15,065.13
  4. Step 4: Simplify right side
    31,703.47x = 716,431,209.10
  5. Step 5: Solve for x
    x = 716,431,209.10/31,703.47
  6. Step 6: Final answer
    x = 22,597.88

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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.