Home / 38,719.62-58,079.70-15,345.99

Finding the Fourth Proportional to 38,719.62, 58,079.70 and 15,345.99

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Solution

The fourth proportional to 38,719.62, 58,079.70 and 15,345.99 is: 23,019.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.62 : 58,079.70 = 15,345.99 : x
  2. Step 2: Convert to fraction form
    38,719.62/58,079.70 = 15,345.99/x
  3. Step 3: Cross multiply
    38,719.62x = 58,079.70 × 15,345.99
  4. Step 4: Simplify right side
    38,719.62x = 891,290,495.40
  5. Step 5: Solve for x
    x = 891,290,495.40/38,719.62
  6. Step 6: Final answer
    x = 23,019.09

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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.