Home / 37,960.38-52,382.58-20,961.90

Finding the Fourth Proportional to 37,960.38, 52,382.58 and 20,961.90

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Solution

The fourth proportional to 37,960.38, 52,382.58 and 20,961.90 is: 28,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,960.38 : 52,382.58 = 20,961.90 : x
  2. Step 2: Convert to fraction form
    37,960.38/52,382.58 = 20,961.90/x
  3. Step 3: Cross multiply
    37,960.38x = 52,382.58 × 20,961.90
  4. Step 4: Simplify right side
    37,960.38x = 1,098,038,403.70
  5. Step 5: Solve for x
    x = 1,098,038,403.70/37,960.38
  6. Step 6: Final answer
    x = 28,925.91

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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.