Home / 38,719.35-58,079.43-15,345.99

Finding the Fourth Proportional to 38,719.35, 58,079.43 and 15,345.99

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Solution

The fourth proportional to 38,719.35, 58,079.43 and 15,345.99 is: 23,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.35 : 58,079.43 = 15,345.99 : x
  2. Step 2: Convert to fraction form
    38,719.35/58,079.43 = 15,345.99/x
  3. Step 3: Cross multiply
    38,719.35x = 58,079.43 × 15,345.99
  4. Step 4: Simplify right side
    38,719.35x = 891,286,351.99
  5. Step 5: Solve for x
    x = 891,286,351.99/38,719.35
  6. Step 6: Final answer
    x = 23,019.15

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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.