Home / 40,937.28-61,405.92-13,237.44

Finding the Fourth Proportional to 40,937.28, 61,405.92 and 13,237.44

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Solution

The fourth proportional to 40,937.28, 61,405.92 and 13,237.44 is: 19,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,937.28 : 61,405.92 = 13,237.44 : x
  2. Step 2: Convert to fraction form
    40,937.28/61,405.92 = 13,237.44/x
  3. Step 3: Cross multiply
    40,937.28x = 61,405.92 × 13,237.44
  4. Step 4: Simplify right side
    40,937.28x = 812,857,181.64
  5. Step 5: Solve for x
    x = 812,857,181.64/40,937.28
  6. Step 6: Final answer
    x = 19,856.16

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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.