Home / 31,789.71-47,574.19-19,776.93

Finding the Fourth Proportional to 31,789.71, 47,574.19 and 19,776.93

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Solution

The fourth proportional to 31,789.71, 47,574.19 and 19,776.93 is: 29,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,789.71 : 47,574.19 = 19,776.93 : x
  2. Step 2: Convert to fraction form
    31,789.71/47,574.19 = 19,776.93/x
  3. Step 3: Cross multiply
    31,789.71x = 47,574.19 × 19,776.93
  4. Step 4: Simplify right side
    31,789.71x = 940,871,425.44
  5. Step 5: Solve for x
    x = 940,871,425.44/31,789.71
  6. Step 6: Final answer
    x = 29,596.73

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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.