Home / 57,752.38-86,635.86-20,303.65

Finding the Fourth Proportional to 57,752.38, 86,635.86 and 20,303.65

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Solution

The fourth proportional to 57,752.38, 86,635.86 and 20,303.65 is: 30,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,752.38 : 86,635.86 = 20,303.65 : x
  2. Step 2: Convert to fraction form
    57,752.38/86,635.86 = 20,303.65/x
  3. Step 3: Cross multiply
    57,752.38x = 86,635.86 × 20,303.65
  4. Step 4: Simplify right side
    57,752.38x = 1,759,024,178.89
  5. Step 5: Solve for x
    x = 1,759,024,178.89/57,752.38
  6. Step 6: Final answer
    x = 30,458.04

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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.