Home / 38,761.12-53,490.68-22,639.69

Finding the Fourth Proportional to 38,761.12, 53,490.68 and 22,639.69

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Solution

The fourth proportional to 38,761.12, 53,490.68 and 22,639.69 is: 31,242.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,761.12 : 53,490.68 = 22,639.69 : x
  2. Step 2: Convert to fraction form
    38,761.12/53,490.68 = 22,639.69/x
  3. Step 3: Cross multiply
    38,761.12x = 53,490.68 × 22,639.69
  4. Step 4: Simplify right side
    38,761.12x = 1,211,012,413.09
  5. Step 5: Solve for x
    x = 1,211,012,413.09/38,761.12
  6. Step 6: Final answer
    x = 31,242.97

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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.