Home / 52,247.43-78,371.15-21,075.39

Finding the Fourth Proportional to 52,247.43, 78,371.15 and 21,075.39

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Solution

The fourth proportional to 52,247.43, 78,371.15 and 21,075.39 is: 31,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,247.43 : 78,371.15 = 21,075.39 : x
  2. Step 2: Convert to fraction form
    52,247.43/78,371.15 = 21,075.39/x
  3. Step 3: Cross multiply
    52,247.43x = 78,371.15 × 21,075.39
  4. Step 4: Simplify right side
    52,247.43x = 1,651,702,445.62
  5. Step 5: Solve for x
    x = 1,651,702,445.62/52,247.43
  6. Step 6: Final answer
    x = 31,613.09

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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.