Home / 82,948.93-124,423.30-20,619.43

Finding the Fourth Proportional to 82,948.93, 124,423.30 and 20,619.43

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Solution

The fourth proportional to 82,948.93, 124,423.30 and 20,619.43 is: 30,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,948.93 : 124,423.30 = 20,619.43 : x
  2. Step 2: Convert to fraction form
    82,948.93/124,423.30 = 20,619.43/x
  3. Step 3: Cross multiply
    82,948.93x = 124,423.30 × 20,619.43
  4. Step 4: Simplify right side
    82,948.93x = 2,565,537,524.72
  5. Step 5: Solve for x
    x = 2,565,537,524.72/82,948.93
  6. Step 6: Final answer
    x = 30,929.12

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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.