Home / 60,139.22-90,220.17-18,576.50

Finding the Fourth Proportional to 60,139.22, 90,220.17 and 18,576.50

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Solution

The fourth proportional to 60,139.22, 90,220.17 and 18,576.50 is: 27,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,139.22 : 90,220.17 = 18,576.50 : x
  2. Step 2: Convert to fraction form
    60,139.22/90,220.17 = 18,576.50/x
  3. Step 3: Cross multiply
    60,139.22x = 90,220.17 × 18,576.50
  4. Step 4: Simplify right side
    60,139.22x = 1,675,974,988.01
  5. Step 5: Solve for x
    x = 1,675,974,988.01/60,139.22
  6. Step 6: Final answer
    x = 27,868.25

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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.