Home / 34,615.17-47,768.89-18,699.61

Finding the Fourth Proportional to 34,615.17, 47,768.89 and 18,699.61

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Solution

The fourth proportional to 34,615.17, 47,768.89 and 18,699.61 is: 25,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,615.17 : 47,768.89 = 18,699.61 : x
  2. Step 2: Convert to fraction form
    34,615.17/47,768.89 = 18,699.61/x
  3. Step 3: Cross multiply
    34,615.17x = 47,768.89 × 18,699.61
  4. Step 4: Simplify right side
    34,615.17x = 893,259,613.13
  5. Step 5: Solve for x
    x = 893,259,613.13/34,615.17
  6. Step 6: Final answer
    x = 25,805.44

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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.