Home / 60,330.86-90,509.29-18,207.42

Finding the Fourth Proportional to 60,330.86, 90,509.29 and 18,207.42

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Solution

The fourth proportional to 60,330.86, 90,509.29 and 18,207.42 is: 27,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,330.86 : 90,509.29 = 18,207.42 : x
  2. Step 2: Convert to fraction form
    60,330.86/90,509.29 = 18,207.42/x
  3. Step 3: Cross multiply
    60,330.86x = 90,509.29 × 18,207.42
  4. Step 4: Simplify right side
    60,330.86x = 1,647,940,204.39
  5. Step 5: Solve for x
    x = 1,647,940,204.39/60,330.86
  6. Step 6: Final answer
    x = 27,315.05

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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.