Home / 31,471.01-43,425.39-17,856.93

Finding the Fourth Proportional to 31,471.01, 43,425.39 and 17,856.93

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Solution

The fourth proportional to 31,471.01, 43,425.39 and 17,856.93 is: 24,639.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,471.01 : 43,425.39 = 17,856.93 : x
  2. Step 2: Convert to fraction form
    31,471.01/43,425.39 = 17,856.93/x
  3. Step 3: Cross multiply
    31,471.01x = 43,425.39 × 17,856.93
  4. Step 4: Simplify right side
    31,471.01x = 775,444,206.90
  5. Step 5: Solve for x
    x = 775,444,206.90/31,471.01
  6. Step 6: Final answer
    x = 24,639.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.