Home / 42,971.85-64,471.45-27,274.66

Finding the Fourth Proportional to 42,971.85, 64,471.45 and 27,274.66

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Solution

The fourth proportional to 42,971.85, 64,471.45 and 27,274.66 is: 40,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,971.85 : 64,471.45 = 27,274.66 : x
  2. Step 2: Convert to fraction form
    42,971.85/64,471.45 = 27,274.66/x
  3. Step 3: Cross multiply
    42,971.85x = 64,471.45 × 27,274.66
  4. Step 4: Simplify right side
    42,971.85x = 1,758,436,649.09
  5. Step 5: Solve for x
    x = 1,758,436,649.09/42,971.85
  6. Step 6: Final answer
    x = 40,920.66

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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.