Home / 34,279.18-47,307.68-19,173.25

Finding the Fourth Proportional to 34,279.18, 47,307.68 and 19,173.25

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Solution

The fourth proportional to 34,279.18, 47,307.68 and 19,173.25 is: 26,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,279.18 : 47,307.68 = 19,173.25 : x
  2. Step 2: Convert to fraction form
    34,279.18/47,307.68 = 19,173.25/x
  3. Step 3: Cross multiply
    34,279.18x = 47,307.68 × 19,173.25
  4. Step 4: Simplify right side
    34,279.18x = 907,042,010.73
  5. Step 5: Solve for x
    x = 907,042,010.73/34,279.18
  6. Step 6: Final answer
    x = 26,460.44

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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.