Home / 60,144.17-90,215.30-20,701.62

Finding the Fourth Proportional to 60,144.17, 90,215.30 and 20,701.62

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Solution

The fourth proportional to 60,144.17, 90,215.30 and 20,701.62 is: 31,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,144.17 : 90,215.30 = 20,701.62 : x
  2. Step 2: Convert to fraction form
    60,144.17/90,215.30 = 20,701.62/x
  3. Step 3: Cross multiply
    60,144.17x = 90,215.30 × 20,701.62
  4. Step 4: Simplify right side
    60,144.17x = 1,867,602,910.54
  5. Step 5: Solve for x
    x = 1,867,602,910.54/60,144.17
  6. Step 6: Final answer
    x = 31,052.10

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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.