Home / 34,278.66-47,306.43-19,171.14

Finding the Fourth Proportional to 34,278.66, 47,306.43 and 19,171.14

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Solution

The fourth proportional to 34,278.66, 47,306.43 and 19,171.14 is: 26,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.66 : 47,306.43 = 19,171.14 : x
  2. Step 2: Convert to fraction form
    34,278.66/47,306.43 = 19,171.14/x
  3. Step 3: Cross multiply
    34,278.66x = 47,306.43 × 19,171.14
  4. Step 4: Simplify right side
    34,278.66x = 906,918,192.43
  5. Step 5: Solve for x
    x = 906,918,192.43/34,278.66
  6. Step 6: Final answer
    x = 26,457.22

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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.