Home / 72,349.38-108,539.55-22,428.36

Finding the Fourth Proportional to 72,349.38, 108,539.55 and 22,428.36

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Solution

The fourth proportional to 72,349.38, 108,539.55 and 22,428.36 is: 33,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,349.38 : 108,539.55 = 22,428.36 : x
  2. Step 2: Convert to fraction form
    72,349.38/108,539.55 = 22,428.36/x
  3. Step 3: Cross multiply
    72,349.38x = 108,539.55 × 22,428.36
  4. Step 4: Simplify right side
    72,349.38x = 2,434,364,101.64
  5. Step 5: Solve for x
    x = 2,434,364,101.64/72,349.38
  6. Step 6: Final answer
    x = 33,647.34

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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.