Home / 31,810.47-47,732.10-13,104.33

Finding the Fourth Proportional to 31,810.47, 47,732.10 and 13,104.33

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Solution

The fourth proportional to 31,810.47, 47,732.10 and 13,104.33 is: 19,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,810.47 : 47,732.10 = 13,104.33 : x
  2. Step 2: Convert to fraction form
    31,810.47/47,732.10 = 13,104.33/x
  3. Step 3: Cross multiply
    31,810.47x = 47,732.10 × 13,104.33
  4. Step 4: Simplify right side
    31,810.47x = 625,497,189.99
  5. Step 5: Solve for x
    x = 625,497,189.99/31,810.47
  6. Step 6: Final answer
    x = 19,663.25

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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.