Home / 40,726.86-61,111.20-19,403.73

Finding the Fourth Proportional to 40,726.86, 61,111.20 and 19,403.73

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Solution

The fourth proportional to 40,726.86, 61,111.20 and 19,403.73 is: 29,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,726.86 : 61,111.20 = 19,403.73 : x
  2. Step 2: Convert to fraction form
    40,726.86/61,111.20 = 19,403.73/x
  3. Step 3: Cross multiply
    40,726.86x = 61,111.20 × 19,403.73
  4. Step 4: Simplify right side
    40,726.86x = 1,185,785,224.78
  5. Step 5: Solve for x
    x = 1,185,785,224.78/40,726.86
  6. Step 6: Final answer
    x = 29,115.56

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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.