Home / 40,419.30-55,780.02-23,423.57

Finding the Fourth Proportional to 40,419.30, 55,780.02 and 23,423.57

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Solution

The fourth proportional to 40,419.30, 55,780.02 and 23,423.57 is: 32,325.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419.30 : 55,780.02 = 23,423.57 : x
  2. Step 2: Convert to fraction form
    40,419.30/55,780.02 = 23,423.57/x
  3. Step 3: Cross multiply
    40,419.30x = 55,780.02 × 23,423.57
  4. Step 4: Simplify right side
    40,419.30x = 1,306,567,342.52
  5. Step 5: Solve for x
    x = 1,306,567,342.52/40,419.30
  6. Step 6: Final answer
    x = 32,325.33

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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.