Home / 43,222.40-64,833.60-13,642.52

Finding the Fourth Proportional to 43,222.40, 64,833.60 and 13,642.52

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Solution

The fourth proportional to 43,222.40, 64,833.60 and 13,642.52 is: 20,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,222.40 : 64,833.60 = 13,642.52 : x
  2. Step 2: Convert to fraction form
    43,222.40/64,833.60 = 13,642.52/x
  3. Step 3: Cross multiply
    43,222.40x = 64,833.60 × 13,642.52
  4. Step 4: Simplify right side
    43,222.40x = 884,493,684.67
  5. Step 5: Solve for x
    x = 884,493,684.67/43,222.40
  6. Step 6: Final answer
    x = 20,463.78

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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.