Home / 35,391.09-48,841.88-19,479.05

Finding the Fourth Proportional to 35,391.09, 48,841.88 and 19,479.05

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Solution

The fourth proportional to 35,391.09, 48,841.88 and 19,479.05 is: 26,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,391.09 : 48,841.88 = 19,479.05 : x
  2. Step 2: Convert to fraction form
    35,391.09/48,841.88 = 19,479.05/x
  3. Step 3: Cross multiply
    35,391.09x = 48,841.88 × 19,479.05
  4. Step 4: Simplify right side
    35,391.09x = 951,393,422.61
  5. Step 5: Solve for x
    x = 951,393,422.61/35,391.09
  6. Step 6: Final answer
    x = 26,882.29

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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.