Home / 65,327.04-98,005.20-20,957.76

Finding the Fourth Proportional to 65,327.04, 98,005.20 and 20,957.76

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Solution

The fourth proportional to 65,327.04, 98,005.20 and 20,957.76 is: 31,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,327.04 : 98,005.20 = 20,957.76 : x
  2. Step 2: Convert to fraction form
    65,327.04/98,005.20 = 20,957.76/x
  3. Step 3: Cross multiply
    65,327.04x = 98,005.20 × 20,957.76
  4. Step 4: Simplify right side
    65,327.04x = 2,053,969,460.35
  5. Step 5: Solve for x
    x = 2,053,969,460.35/65,327.04
  6. Step 6: Final answer
    x = 31,441.34

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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.