Home / 34,279.58-47,302.88-19,939.70

Finding the Fourth Proportional to 34,279.58, 47,302.88 and 19,939.70

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Solution

The fourth proportional to 34,279.58, 47,302.88 and 19,939.70 is: 27,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,279.58 : 47,302.88 = 19,939.70 : x
  2. Step 2: Convert to fraction form
    34,279.58/47,302.88 = 19,939.70/x
  3. Step 3: Cross multiply
    34,279.58x = 47,302.88 × 19,939.70
  4. Step 4: Simplify right side
    34,279.58x = 943,204,900.12
  5. Step 5: Solve for x
    x = 943,204,900.12/34,279.58
  6. Step 6: Final answer
    x = 27,515.07

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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.