Home / 35,711.04-49,279.80-19,578

Finding the Fourth Proportional to 35,711.04, 49,279.80 and 19,578

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Solution

The fourth proportional to 35,711.04, 49,279.80 and 19,578 is: 27,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,711.04 : 49,279.80 = 19,578 : x
  2. Step 2: Convert to fraction form
    35,711.04/49,279.80 = 19,578/x
  3. Step 3: Cross multiply
    35,711.04x = 49,279.80 × 19,578
  4. Step 4: Simplify right side
    35,711.04x = 964,799,924.40
  5. Step 5: Solve for x
    x = 964,799,924.40/35,711.04
  6. Step 6: Final answer
    x = 27,016.85

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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.