Home / 48,134.04-66,398.29-27,988.70

Finding the Fourth Proportional to 48,134.04, 66,398.29 and 27,988.70

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Solution

The fourth proportional to 48,134.04, 66,398.29 and 27,988.70 is: 38,608.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,134.04 : 66,398.29 = 27,988.70 : x
  2. Step 2: Convert to fraction form
    48,134.04/66,398.29 = 27,988.70/x
  3. Step 3: Cross multiply
    48,134.04x = 66,398.29 × 27,988.70
  4. Step 4: Simplify right side
    48,134.04x = 1,858,401,819.32
  5. Step 5: Solve for x
    x = 1,858,401,819.32/48,134.04
  6. Step 6: Final answer
    x = 38,608.89

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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.