Home / 42,139.40-63,190.07-22,413.74

Finding the Fourth Proportional to 42,139.40, 63,190.07 and 22,413.74

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Solution

The fourth proportional to 42,139.40, 63,190.07 and 22,413.74 is: 33,610.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,139.40 : 63,190.07 = 22,413.74 : x
  2. Step 2: Convert to fraction form
    42,139.40/63,190.07 = 22,413.74/x
  3. Step 3: Cross multiply
    42,139.40x = 63,190.07 × 22,413.74
  4. Step 4: Simplify right side
    42,139.40x = 1,416,325,687.49
  5. Step 5: Solve for x
    x = 1,416,325,687.49/42,139.40
  6. Step 6: Final answer
    x = 33,610.49

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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.