Home / 40,420.37-55,780.17-23,427.92

Finding the Fourth Proportional to 40,420.37, 55,780.17 and 23,427.92

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Solution

The fourth proportional to 40,420.37, 55,780.17 and 23,427.92 is: 32,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420.37 : 55,780.17 = 23,427.92 : x
  2. Step 2: Convert to fraction form
    40,420.37/55,780.17 = 23,427.92/x
  3. Step 3: Cross multiply
    40,420.37x = 55,780.17 × 23,427.92
  4. Step 4: Simplify right side
    40,420.37x = 1,306,813,360.35
  5. Step 5: Solve for x
    x = 1,306,813,360.35/40,420.37
  6. Step 6: Final answer
    x = 32,330.56

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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.