Home / 47,769.40-71,662.76-38,962.79

Finding the Fourth Proportional to 47,769.40, 71,662.76 and 38,962.79

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Solution

The fourth proportional to 47,769.40, 71,662.76 and 38,962.79 is: 58,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,769.40 : 71,662.76 = 38,962.79 : x
  2. Step 2: Convert to fraction form
    47,769.40/71,662.76 = 38,962.79/x
  3. Step 3: Cross multiply
    47,769.40x = 71,662.76 × 38,962.79
  4. Step 4: Simplify right side
    47,769.40x = 2,792,181,068.70
  5. Step 5: Solve for x
    x = 2,792,181,068.70/47,769.40
  6. Step 6: Final answer
    x = 58,451.25

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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.