Home / 38,707.56-58,067.01-13,740.39

Finding the Fourth Proportional to 38,707.56, 58,067.01 and 13,740.39

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Solution

The fourth proportional to 38,707.56, 58,067.01 and 13,740.39 is: 20,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,707.56 : 58,067.01 = 13,740.39 : x
  2. Step 2: Convert to fraction form
    38,707.56/58,067.01 = 13,740.39/x
  3. Step 3: Cross multiply
    38,707.56x = 58,067.01 × 13,740.39
  4. Step 4: Simplify right side
    38,707.56x = 797,863,363.53
  5. Step 5: Solve for x
    x = 797,863,363.53/38,707.56
  6. Step 6: Final answer
    x = 20,612.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.