Home / 51,714.85-77,610.68-20,572.45

Finding the Fourth Proportional to 51,714.85, 77,610.68 and 20,572.45

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Solution

The fourth proportional to 51,714.85, 77,610.68 and 20,572.45 is: 30,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,714.85 : 77,610.68 = 20,572.45 : x
  2. Step 2: Convert to fraction form
    51,714.85/77,610.68 = 20,572.45/x
  3. Step 3: Cross multiply
    51,714.85x = 77,610.68 × 20,572.45
  4. Step 4: Simplify right side
    51,714.85x = 1,596,641,730.90
  5. Step 5: Solve for x
    x = 1,596,641,730.90/51,714.85
  6. Step 6: Final answer
    x = 30,873.95

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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.