Home / 60,174.46-90,270.33-20,720.98

Finding the Fourth Proportional to 60,174.46, 90,270.33 and 20,720.98

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Solution

The fourth proportional to 60,174.46, 90,270.33 and 20,720.98 is: 31,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,174.46 : 90,270.33 = 20,720.98 : x
  2. Step 2: Convert to fraction form
    60,174.46/90,270.33 = 20,720.98/x
  3. Step 3: Cross multiply
    60,174.46x = 90,270.33 × 20,720.98
  4. Step 4: Simplify right side
    60,174.46x = 1,870,489,702.52
  5. Step 5: Solve for x
    x = 1,870,489,702.52/60,174.46
  6. Step 6: Final answer
    x = 31,084.45

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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.