Home / 42,413.68-58,498.44-28,812.21

Finding the Fourth Proportional to 42,413.68, 58,498.44 and 28,812.21

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Solution

The fourth proportional to 42,413.68, 58,498.44 and 28,812.21 is: 39,738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,413.68 : 58,498.44 = 28,812.21 : x
  2. Step 2: Convert to fraction form
    42,413.68/58,498.44 = 28,812.21/x
  3. Step 3: Cross multiply
    42,413.68x = 58,498.44 × 28,812.21
  4. Step 4: Simplify right side
    42,413.68x = 1,685,469,501.66
  5. Step 5: Solve for x
    x = 1,685,469,501.66/42,413.68
  6. Step 6: Final answer
    x = 39,738.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.