Home / 60,127.17-90,189.80-20,684.62

Finding the Fourth Proportional to 60,127.17, 90,189.80 and 20,684.62

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Solution

The fourth proportional to 60,127.17, 90,189.80 and 20,684.62 is: 31,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,127.17 : 90,189.80 = 20,684.62 : x
  2. Step 2: Convert to fraction form
    60,127.17/90,189.80 = 20,684.62/x
  3. Step 3: Cross multiply
    60,127.17x = 90,189.80 × 20,684.62
  4. Step 4: Simplify right side
    60,127.17x = 1,865,541,740.88
  5. Step 5: Solve for x
    x = 1,865,541,740.88/60,127.17
  6. Step 6: Final answer
    x = 31,026.60

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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.