Home / 35,775.27-49,370.31-19,861.20

Finding the Fourth Proportional to 35,775.27, 49,370.31 and 19,861.20

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Solution

The fourth proportional to 35,775.27, 49,370.31 and 19,861.20 is: 27,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,775.27 : 49,370.31 = 19,861.20 : x
  2. Step 2: Convert to fraction form
    35,775.27/49,370.31 = 19,861.20/x
  3. Step 3: Cross multiply
    35,775.27x = 49,370.31 × 19,861.20
  4. Step 4: Simplify right side
    35,775.27x = 980,553,600.97
  5. Step 5: Solve for x
    x = 980,553,600.97/35,775.27
  6. Step 6: Final answer
    x = 27,408.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.