Home / 55,020.96-75,929.40-29,870.52

Finding the Fourth Proportional to 55,020.96, 75,929.40 and 29,870.52

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Solution

The fourth proportional to 55,020.96, 75,929.40 and 29,870.52 is: 41,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,020.96 : 75,929.40 = 29,870.52 : x
  2. Step 2: Convert to fraction form
    55,020.96/75,929.40 = 29,870.52/x
  3. Step 3: Cross multiply
    55,020.96x = 75,929.40 × 29,870.52
  4. Step 4: Simplify right side
    55,020.96x = 2,268,050,661.29
  5. Step 5: Solve for x
    x = 2,268,050,661.29/55,020.96
  6. Step 6: Final answer
    x = 41,221.58

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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.