Home / 30,279.04-41,785.20-17,701.36

Finding the Fourth Proportional to 30,279.04, 41,785.20 and 17,701.36

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Solution

The fourth proportional to 30,279.04, 41,785.20 and 17,701.36 is: 24,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.04 : 41,785.20 = 17,701.36 : x
  2. Step 2: Convert to fraction form
    30,279.04/41,785.20 = 17,701.36/x
  3. Step 3: Cross multiply
    30,279.04x = 41,785.20 × 17,701.36
  4. Step 4: Simplify right side
    30,279.04x = 739,654,867.87
  5. Step 5: Solve for x
    x = 739,654,867.87/30,279.04
  6. Step 6: Final answer
    x = 24,427.95

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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.