Home / 31,641.17-47,535.57-18,502.79

Finding the Fourth Proportional to 31,641.17, 47,535.57 and 18,502.79

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Solution

The fourth proportional to 31,641.17, 47,535.57 and 18,502.79 is: 27,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.17 : 47,535.57 = 18,502.79 : x
  2. Step 2: Convert to fraction form
    31,641.17/47,535.57 = 18,502.79/x
  3. Step 3: Cross multiply
    31,641.17x = 47,535.57 × 18,502.79
  4. Step 4: Simplify right side
    31,641.17x = 879,540,431.56
  5. Step 5: Solve for x
    x = 879,540,431.56/31,641.17
  6. Step 6: Final answer
    x = 27,797.35

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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.