Home / 82,679.16-124,019.22-20,349.24

Finding the Fourth Proportional to 82,679.16, 124,019.22 and 20,349.24

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Solution

The fourth proportional to 82,679.16, 124,019.22 and 20,349.24 is: 30,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,679.16 : 124,019.22 = 20,349.24 : x
  2. Step 2: Convert to fraction form
    82,679.16/124,019.22 = 20,349.24/x
  3. Step 3: Cross multiply
    82,679.16x = 124,019.22 × 20,349.24
  4. Step 4: Simplify right side
    82,679.16x = 2,523,696,872.39
  5. Step 5: Solve for x
    x = 2,523,696,872.39/82,679.16
  6. Step 6: Final answer
    x = 30,523.98

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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.