Home / 45,191.03-67,805.12-19,877.51

Finding the Fourth Proportional to 45,191.03, 67,805.12 and 19,877.51

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Solution

The fourth proportional to 45,191.03, 67,805.12 and 19,877.51 is: 29,824.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,191.03 : 67,805.12 = 19,877.51 : x
  2. Step 2: Convert to fraction form
    45,191.03/67,805.12 = 19,877.51/x
  3. Step 3: Cross multiply
    45,191.03x = 67,805.12 × 19,877.51
  4. Step 4: Simplify right side
    45,191.03x = 1,347,796,950.85
  5. Step 5: Solve for x
    x = 1,347,796,950.85/45,191.03
  6. Step 6: Final answer
    x = 29,824.44

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1.5x scale

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.