Home / 31,665.22-47,473.14-15,862.12

Finding the Fourth Proportional to 31,665.22, 47,473.14 and 15,862.12

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Solution

The fourth proportional to 31,665.22, 47,473.14 and 15,862.12 is: 23,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665.22 : 47,473.14 = 15,862.12 : x
  2. Step 2: Convert to fraction form
    31,665.22/47,473.14 = 15,862.12/x
  3. Step 3: Cross multiply
    31,665.22x = 47,473.14 × 15,862.12
  4. Step 4: Simplify right side
    31,665.22x = 753,024,643.46
  5. Step 5: Solve for x
    x = 753,024,643.46/31,665.22
  6. Step 6: Final answer
    x = 23,780.81

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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.