Home / 55,007.20-75,909.93-29,856.70

Finding the Fourth Proportional to 55,007.20, 75,909.93 and 29,856.70

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Solution

The fourth proportional to 55,007.20, 75,909.93 and 29,856.70 is: 41,202.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007.20 : 75,909.93 = 29,856.70 : x
  2. Step 2: Convert to fraction form
    55,007.20/75,909.93 = 29,856.70/x
  3. Step 3: Cross multiply
    55,007.20x = 75,909.93 × 29,856.70
  4. Step 4: Simplify right side
    55,007.20x = 2,266,420,007.03
  5. Step 5: Solve for x
    x = 2,266,420,007.03/55,007.20
  6. Step 6: Final answer
    x = 41,202.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.