Home / 60,138.48-90,179.28-18,002.32

Finding the Fourth Proportional to 60,138.48, 90,179.28 and 18,002.32

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Solution

The fourth proportional to 60,138.48, 90,179.28 and 18,002.32 is: 26,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,138.48 : 90,179.28 = 18,002.32 : x
  2. Step 2: Convert to fraction form
    60,138.48/90,179.28 = 18,002.32/x
  3. Step 3: Cross multiply
    60,138.48x = 90,179.28 × 18,002.32
  4. Step 4: Simplify right side
    60,138.48x = 1,623,436,255.93
  5. Step 5: Solve for x
    x = 1,623,436,255.93/60,138.48
  6. Step 6: Final answer
    x = 26,994.97

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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.