Home / 69,204.80-95,485.28-38,984

Finding the Fourth Proportional to 69,204.80, 95,485.28 and 38,984

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Solution

The fourth proportional to 69,204.80, 95,485.28 and 38,984 is: 53,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,204.80 : 95,485.28 = 38,984 : x
  2. Step 2: Convert to fraction form
    69,204.80/95,485.28 = 38,984/x
  3. Step 3: Cross multiply
    69,204.80x = 95,485.28 × 38,984
  4. Step 4: Simplify right side
    69,204.80x = 3,722,398,155.52
  5. Step 5: Solve for x
    x = 3,722,398,155.52/69,204.80
  6. Step 6: Final answer
    x = 53,788.15

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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.