Home / 72,534.46-108,796.55-19,225.26

Finding the Fourth Proportional to 72,534.46, 108,796.55 and 19,225.26

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Solution

The fourth proportional to 72,534.46, 108,796.55 and 19,225.26 is: 28,836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,534.46 : 108,796.55 = 19,225.26 : x
  2. Step 2: Convert to fraction form
    72,534.46/108,796.55 = 19,225.26/x
  3. Step 3: Cross multiply
    72,534.46x = 108,796.55 × 19,225.26
  4. Step 4: Simplify right side
    72,534.46x = 2,091,641,320.74
  5. Step 5: Solve for x
    x = 2,091,641,320.74/72,534.46
  6. Step 6: Final answer
    x = 28,836.52

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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.