Home / 39,517.76-54,587.76-31,616.48

Finding the Fourth Proportional to 39,517.76, 54,587.76 and 31,616.48

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Solution

The fourth proportional to 39,517.76, 54,587.76 and 31,616.48 is: 43,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517.76 : 54,587.76 = 31,616.48 : x
  2. Step 2: Convert to fraction form
    39,517.76/54,587.76 = 31,616.48/x
  3. Step 3: Cross multiply
    39,517.76x = 54,587.76 × 31,616.48
  4. Step 4: Simplify right side
    39,517.76x = 1,725,872,822.28
  5. Step 5: Solve for x
    x = 1,725,872,822.28/39,517.76
  6. Step 6: Final answer
    x = 43,673.35

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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.