Home / 40,420.35-55,780.17-23,427.87

Finding the Fourth Proportional to 40,420.35, 55,780.17 and 23,427.87

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Solution

The fourth proportional to 40,420.35, 55,780.17 and 23,427.87 is: 32,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420.35 : 55,780.17 = 23,427.87 : x
  2. Step 2: Convert to fraction form
    40,420.35/55,780.17 = 23,427.87/x
  3. Step 3: Cross multiply
    40,420.35x = 55,780.17 × 23,427.87
  4. Step 4: Simplify right side
    40,420.35x = 1,306,810,571.34
  5. Step 5: Solve for x
    x = 1,306,810,571.34/40,420.35
  6. Step 6: Final answer
    x = 32,330.51

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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.