Home / 51,878.21-71,598.74-29,221.65

Finding the Fourth Proportional to 51,878.21, 71,598.74 and 29,221.65

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Solution

The fourth proportional to 51,878.21, 71,598.74 and 29,221.65 is: 40,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,878.21 : 71,598.74 = 29,221.65 : x
  2. Step 2: Convert to fraction form
    51,878.21/71,598.74 = 29,221.65/x
  3. Step 3: Cross multiply
    51,878.21x = 71,598.74 × 29,221.65
  4. Step 4: Simplify right side
    51,878.21x = 2,092,233,174.61
  5. Step 5: Solve for x
    x = 2,092,233,174.61/51,878.21
  6. Step 6: Final answer
    x = 40,329.71

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1.5x scale

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.