Home / 31,659.62-47,471.87-12,952.80

Finding the Fourth Proportional to 31,659.62, 47,471.87 and 12,952.80

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Solution

The fourth proportional to 31,659.62, 47,471.87 and 12,952.80 is: 19,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,659.62 : 47,471.87 = 12,952.80 : x
  2. Step 2: Convert to fraction form
    31,659.62/47,471.87 = 12,952.80/x
  3. Step 3: Cross multiply
    31,659.62x = 47,471.87 × 12,952.80
  4. Step 4: Simplify right side
    31,659.62x = 614,893,637.74
  5. Step 5: Solve for x
    x = 614,893,637.74/31,659.62
  6. Step 6: Final answer
    x = 19,422.02

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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.