Home / 60,470.28-90,714.81-30,872.10

Finding the Fourth Proportional to 60,470.28, 90,714.81 and 30,872.10

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Solution

The fourth proportional to 60,470.28, 90,714.81 and 30,872.10 is: 46,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,470.28 : 90,714.81 = 30,872.10 : x
  2. Step 2: Convert to fraction form
    60,470.28/90,714.81 = 30,872.10/x
  3. Step 3: Cross multiply
    60,470.28x = 90,714.81 × 30,872.10
  4. Step 4: Simplify right side
    60,470.28x = 2,800,556,685.80
  5. Step 5: Solve for x
    x = 2,800,556,685.80/60,470.28
  6. Step 6: Final answer
    x = 46,312.94

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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.