Home / 43,233.20-64,849.80-31,423.40

Finding the Fourth Proportional to 43,233.20, 64,849.80 and 31,423.40

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Solution

The fourth proportional to 43,233.20, 64,849.80 and 31,423.40 is: 47,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,233.20 : 64,849.80 = 31,423.40 : x
  2. Step 2: Convert to fraction form
    43,233.20/64,849.80 = 31,423.40/x
  3. Step 3: Cross multiply
    43,233.20x = 64,849.80 × 31,423.40
  4. Step 4: Simplify right side
    43,233.20x = 2,037,801,205.32
  5. Step 5: Solve for x
    x = 2,037,801,205.32/43,233.20
  6. Step 6: Final answer
    x = 47,135.10

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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.