Home / 31,126.28-46,696.35-8,937.92

Finding the Fourth Proportional to 31,126.28, 46,696.35 and 8,937.92

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Solution

The fourth proportional to 31,126.28, 46,696.35 and 8,937.92 is: 13,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,126.28 : 46,696.35 = 8,937.92 : x
  2. Step 2: Convert to fraction form
    31,126.28/46,696.35 = 8,937.92/x
  3. Step 3: Cross multiply
    31,126.28x = 46,696.35 × 8,937.92
  4. Step 4: Simplify right side
    31,126.28x = 417,368,240.59
  5. Step 5: Solve for x
    x = 417,368,240.59/31,126.28
  6. Step 6: Final answer
    x = 13,408.87

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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.