Home / 69,210.76-95,500.60-38,990.04

Finding the Fourth Proportional to 69,210.76, 95,500.60 and 38,990.04

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Solution

The fourth proportional to 69,210.76, 95,500.60 and 38,990.04 is: 53,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,210.76 : 95,500.60 = 38,990.04 : x
  2. Step 2: Convert to fraction form
    69,210.76/95,500.60 = 38,990.04/x
  3. Step 3: Cross multiply
    69,210.76x = 95,500.60 × 38,990.04
  4. Step 4: Simplify right side
    69,210.76x = 3,723,572,214.02
  5. Step 5: Solve for x
    x = 3,723,572,214.02/69,210.76
  6. Step 6: Final answer
    x = 53,800.48

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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.