Home / 40,420.86-55,781.37-23,426.37

Finding the Fourth Proportional to 40,420.86, 55,781.37 and 23,426.37

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Solution

The fourth proportional to 40,420.86, 55,781.37 and 23,426.37 is: 32,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420.86 : 55,781.37 = 23,426.37 : x
  2. Step 2: Convert to fraction form
    40,420.86/55,781.37 = 23,426.37/x
  3. Step 3: Cross multiply
    40,420.86x = 55,781.37 × 23,426.37
  4. Step 4: Simplify right side
    40,420.86x = 1,306,755,012.73
  5. Step 5: Solve for x
    x = 1,306,755,012.73/40,420.86
  6. Step 6: Final answer
    x = 32,328.73

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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.