Home / 31,903.38-44,031.06-18,478.85

Finding the Fourth Proportional to 31,903.38, 44,031.06 and 18,478.85

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Solution

The fourth proportional to 31,903.38, 44,031.06 and 18,478.85 is: 25,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.38 : 44,031.06 = 18,478.85 : x
  2. Step 2: Convert to fraction form
    31,903.38/44,031.06 = 18,478.85/x
  3. Step 3: Cross multiply
    31,903.38x = 44,031.06 × 18,478.85
  4. Step 4: Simplify right side
    31,903.38x = 813,643,132.93
  5. Step 5: Solve for x
    x = 813,643,132.93/31,903.38
  6. Step 6: Final answer
    x = 25,503.35

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Double scale
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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.