Home / 51,876.40-71,588.49-29,215.30

Finding the Fourth Proportional to 51,876.40, 71,588.49 and 29,215.30

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Solution

The fourth proportional to 51,876.40, 71,588.49 and 29,215.30 is: 40,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,876.40 : 71,588.49 = 29,215.30 : x
  2. Step 2: Convert to fraction form
    51,876.40/71,588.49 = 29,215.30/x
  3. Step 3: Cross multiply
    51,876.40x = 71,588.49 × 29,215.30
  4. Step 4: Simplify right side
    51,876.40x = 2,091,479,211.90
  5. Step 5: Solve for x
    x = 2,091,479,211.90/51,876.40
  6. Step 6: Final answer
    x = 40,316.58

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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.