Home / 45,027-67,519.28-26,312.42

Finding the Fourth Proportional to 45,027, 67,519.28 and 26,312.42

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Solution

The fourth proportional to 45,027, 67,519.28 and 26,312.42 is: 39,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,027 : 67,519.28 = 26,312.42 : x
  2. Step 2: Convert to fraction form
    45,027/67,519.28 = 26,312.42/x
  3. Step 3: Cross multiply
    45,027x = 67,519.28 × 26,312.42
  4. Step 4: Simplify right side
    45,027x = 1,776,595,888.04
  5. Step 5: Solve for x
    x = 1,776,595,888.04/45,027
  6. Step 6: Final answer
    x = 39,456.23

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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.