Home / 35,757.50-49,345.19-19,841.91

Finding the Fourth Proportional to 35,757.50, 49,345.19 and 19,841.91

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Solution

The fourth proportional to 35,757.50, 49,345.19 and 19,841.91 is: 27,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,757.50 : 49,345.19 = 19,841.91 : x
  2. Step 2: Convert to fraction form
    35,757.50/49,345.19 = 19,841.91/x
  3. Step 3: Cross multiply
    35,757.50x = 49,345.19 × 19,841.91
  4. Step 4: Simplify right side
    35,757.50x = 979,102,719.70
  5. Step 5: Solve for x
    x = 979,102,719.70/35,757.50
  6. Step 6: Final answer
    x = 27,381.74

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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.