Home / 40,431.20-60,682.80-23,770.40

Finding the Fourth Proportional to 40,431.20, 60,682.80 and 23,770.40

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Solution

The fourth proportional to 40,431.20, 60,682.80 and 23,770.40 is: 35,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,431.20 : 60,682.80 = 23,770.40 : x
  2. Step 2: Convert to fraction form
    40,431.20/60,682.80 = 23,770.40/x
  3. Step 3: Cross multiply
    40,431.20x = 60,682.80 × 23,770.40
  4. Step 4: Simplify right side
    40,431.20x = 1,442,454,429.12
  5. Step 5: Solve for x
    x = 1,442,454,429.12/40,431.20
  6. Step 6: Final answer
    x = 35,676.77

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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.