Home / 34,615.44-47,769.28-18,699.89

Finding the Fourth Proportional to 34,615.44, 47,769.28 and 18,699.89

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Solution

The fourth proportional to 34,615.44, 47,769.28 and 18,699.89 is: 25,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,615.44 : 47,769.28 = 18,699.89 : x
  2. Step 2: Convert to fraction form
    34,615.44/47,769.28 = 18,699.89/x
  3. Step 3: Cross multiply
    34,615.44x = 47,769.28 × 18,699.89
  4. Step 4: Simplify right side
    34,615.44x = 893,279,995.78
  5. Step 5: Solve for x
    x = 893,279,995.78/34,615.44
  6. Step 6: Final answer
    x = 25,805.83

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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.