Home / 64,957.20-89,620.52-38,100.84

Finding the Fourth Proportional to 64,957.20, 89,620.52 and 38,100.84

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Solution

The fourth proportional to 64,957.20, 89,620.52 and 38,100.84 is: 52,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,957.20 : 89,620.52 = 38,100.84 : x
  2. Step 2: Convert to fraction form
    64,957.20/89,620.52 = 38,100.84/x
  3. Step 3: Cross multiply
    64,957.20x = 89,620.52 × 38,100.84
  4. Step 4: Simplify right side
    64,957.20x = 3,414,616,645.13
  5. Step 5: Solve for x
    x = 3,414,616,645.13/64,957.20
  6. Step 6: Final answer
    x = 52,567.18

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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.