Home / 55,941.12-83,912.40-20,873.52

Finding the Fourth Proportional to 55,941.12, 83,912.40 and 20,873.52

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Solution

The fourth proportional to 55,941.12, 83,912.40 and 20,873.52 is: 31,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,941.12 : 83,912.40 = 20,873.52 : x
  2. Step 2: Convert to fraction form
    55,941.12/83,912.40 = 20,873.52/x
  3. Step 3: Cross multiply
    55,941.12x = 83,912.40 × 20,873.52
  4. Step 4: Simplify right side
    55,941.12x = 1,751,547,159.65
  5. Step 5: Solve for x
    x = 1,751,547,159.65/55,941.12
  6. Step 6: Final answer
    x = 31,310.55

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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.