Home / 31,776.94-47,665.47-13,043.92

Finding the Fourth Proportional to 31,776.94, 47,665.47 and 13,043.92

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Solution

The fourth proportional to 31,776.94, 47,665.47 and 13,043.92 is: 19,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776.94 : 47,665.47 = 13,043.92 : x
  2. Step 2: Convert to fraction form
    31,776.94/47,665.47 = 13,043.92/x
  3. Step 3: Cross multiply
    31,776.94x = 47,665.47 × 13,043.92
  4. Step 4: Simplify right side
    31,776.94x = 621,744,273.90
  5. Step 5: Solve for x
    x = 621,744,273.90/31,776.94
  6. Step 6: Final answer
    x = 19,565.90

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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.