Home / 49,565.15-74,421.53-20,040.65

Finding the Fourth Proportional to 49,565.15, 74,421.53 and 20,040.65

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Solution

The fourth proportional to 49,565.15, 74,421.53 and 20,040.65 is: 30,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,565.15 : 74,421.53 = 20,040.65 : x
  2. Step 2: Convert to fraction form
    49,565.15/74,421.53 = 20,040.65/x
  3. Step 3: Cross multiply
    49,565.15x = 74,421.53 × 20,040.65
  4. Step 4: Simplify right side
    49,565.15x = 1,491,456,071.35
  5. Step 5: Solve for x
    x = 1,491,456,071.35/49,565.15
  6. Step 6: Final answer
    x = 30,090.82

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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.