Home / 31,659.17-47,471.20-12,952.33

Finding the Fourth Proportional to 31,659.17, 47,471.20 and 12,952.33

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Solution

The fourth proportional to 31,659.17, 47,471.20 and 12,952.33 is: 19,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,659.17 : 47,471.20 = 12,952.33 : x
  2. Step 2: Convert to fraction form
    31,659.17/47,471.20 = 12,952.33/x
  3. Step 3: Cross multiply
    31,659.17x = 47,471.20 × 12,952.33
  4. Step 4: Simplify right side
    31,659.17x = 614,862,496.84
  5. Step 5: Solve for x
    x = 614,862,496.84/31,659.17
  6. Step 6: Final answer
    x = 19,421.31

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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.