Home / 60,240.81-90,402.66-20,797.92

Finding the Fourth Proportional to 60,240.81, 90,402.66 and 20,797.92

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Solution

The fourth proportional to 60,240.81, 90,402.66 and 20,797.92 is: 31,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,240.81 : 90,402.66 = 20,797.92 : x
  2. Step 2: Convert to fraction form
    60,240.81/90,402.66 = 20,797.92/x
  3. Step 3: Cross multiply
    60,240.81x = 90,402.66 × 20,797.92
  4. Step 4: Simplify right side
    60,240.81x = 1,880,187,290.47
  5. Step 5: Solve for x
    x = 1,880,187,290.47/60,240.81
  6. Step 6: Final answer
    x = 31,211.19

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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.