Home / 49,678.20-68,531.81-29,520.81

Finding the Fourth Proportional to 49,678.20, 68,531.81 and 29,520.81

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Solution

The fourth proportional to 49,678.20, 68,531.81 and 29,520.81 is: 40,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,678.20 : 68,531.81 = 29,520.81 : x
  2. Step 2: Convert to fraction form
    49,678.20/68,531.81 = 29,520.81/x
  3. Step 3: Cross multiply
    49,678.20x = 68,531.81 × 29,520.81
  4. Step 4: Simplify right side
    49,678.20x = 2,023,114,394.36
  5. Step 5: Solve for x
    x = 2,023,114,394.36/49,678.20
  6. Step 6: Final answer
    x = 40,724.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.