Home / 51,871.92-71,578.08-29,210.28

Finding the Fourth Proportional to 51,871.92, 71,578.08 and 29,210.28

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Solution

The fourth proportional to 51,871.92, 71,578.08 and 29,210.28 is: 40,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,871.92 : 71,578.08 = 29,210.28 : x
  2. Step 2: Convert to fraction form
    51,871.92/71,578.08 = 29,210.28/x
  3. Step 3: Cross multiply
    51,871.92x = 71,578.08 × 29,210.28
  4. Step 4: Simplify right side
    51,871.92x = 2,090,815,758.66
  5. Step 5: Solve for x
    x = 2,090,815,758.66/51,871.92
  6. Step 6: Final answer
    x = 40,307.28

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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.