Home / 47,895.12-71,844.68-14,161.20

Finding the Fourth Proportional to 47,895.12, 71,844.68 and 14,161.20

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Solution

The fourth proportional to 47,895.12, 71,844.68 and 14,161.20 is: 21,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,895.12 : 71,844.68 = 14,161.20 : x
  2. Step 2: Convert to fraction form
    47,895.12/71,844.68 = 14,161.20/x
  3. Step 3: Cross multiply
    47,895.12x = 71,844.68 × 14,161.20
  4. Step 4: Simplify right side
    47,895.12x = 1,017,406,882.42
  5. Step 5: Solve for x
    x = 1,017,406,882.42/47,895.12
  6. Step 6: Final answer
    x = 21,242.39

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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.