Home / 39,518.76-54,589.14-31,617.48

Finding the Fourth Proportional to 39,518.76, 54,589.14 and 31,617.48

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Solution

The fourth proportional to 39,518.76, 54,589.14 and 31,617.48 is: 43,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,518.76 : 54,589.14 = 31,617.48 : x
  2. Step 2: Convert to fraction form
    39,518.76/54,589.14 = 31,617.48/x
  3. Step 3: Cross multiply
    39,518.76x = 54,589.14 × 31,617.48
  4. Step 4: Simplify right side
    39,518.76x = 1,725,971,042.17
  5. Step 5: Solve for x
    x = 1,725,971,042.17/39,518.76
  6. Step 6: Final answer
    x = 43,674.73

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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.