Home / 60,461.28-90,701.31-30,863.10

Finding the Fourth Proportional to 60,461.28, 90,701.31 and 30,863.10

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Solution

The fourth proportional to 60,461.28, 90,701.31 and 30,863.10 is: 46,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,461.28 : 90,701.31 = 30,863.10 : x
  2. Step 2: Convert to fraction form
    60,461.28/90,701.31 = 30,863.10/x
  3. Step 3: Cross multiply
    60,461.28x = 90,701.31 × 30,863.10
  4. Step 4: Simplify right side
    60,461.28x = 2,799,323,600.66
  5. Step 5: Solve for x
    x = 2,799,323,600.66/60,461.28
  6. Step 6: Final answer
    x = 46,299.44

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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.