Home / 31,896.15-44,026.47-20,565.66

Finding the Fourth Proportional to 31,896.15, 44,026.47 and 20,565.66

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Solution

The fourth proportional to 31,896.15, 44,026.47 and 20,565.66 is: 28,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,896.15 : 44,026.47 = 20,565.66 : x
  2. Step 2: Convert to fraction form
    31,896.15/44,026.47 = 20,565.66/x
  3. Step 3: Cross multiply
    31,896.15x = 44,026.47 × 20,565.66
  4. Step 4: Simplify right side
    31,896.15x = 905,433,413.02
  5. Step 5: Solve for x
    x = 905,433,413.02/31,896.15
  6. Step 6: Final answer
    x = 28,386.92

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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.