Home / 60,707.28-83,789.46-39,449.64

Finding the Fourth Proportional to 60,707.28, 83,789.46 and 39,449.64

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Solution

The fourth proportional to 60,707.28, 83,789.46 and 39,449.64 is: 54,449.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,707.28 : 83,789.46 = 39,449.64 : x
  2. Step 2: Convert to fraction form
    60,707.28/83,789.46 = 39,449.64/x
  3. Step 3: Cross multiply
    60,707.28x = 83,789.46 × 39,449.64
  4. Step 4: Simplify right side
    60,707.28x = 3,305,464,032.79
  5. Step 5: Solve for x
    x = 3,305,464,032.79/60,707.28
  6. Step 6: Final answer
    x = 54,449.22

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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.