Home / 55,260.20-82,890.29-13,707.20

Finding the Fourth Proportional to 55,260.20, 82,890.29 and 13,707.20

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Solution

The fourth proportional to 55,260.20, 82,890.29 and 13,707.20 is: 20,560.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,260.20 : 82,890.29 = 13,707.20 : x
  2. Step 2: Convert to fraction form
    55,260.20/82,890.29 = 13,707.20/x
  3. Step 3: Cross multiply
    55,260.20x = 82,890.29 × 13,707.20
  4. Step 4: Simplify right side
    55,260.20x = 1,136,193,300.10
  5. Step 5: Solve for x
    x = 1,136,193,300.10/55,260.20
  6. Step 6: Final answer
    x = 20,560.79

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Similar ratio
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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.