Home / 34,109.20-47,072.16-19,001.88

Finding the Fourth Proportional to 34,109.20, 47,072.16 and 19,001.88

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Solution

The fourth proportional to 34,109.20, 47,072.16 and 19,001.88 is: 26,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,109.20 : 47,072.16 = 19,001.88 : x
  2. Step 2: Convert to fraction form
    34,109.20/47,072.16 = 19,001.88/x
  3. Step 3: Cross multiply
    34,109.20x = 47,072.16 × 19,001.88
  4. Step 4: Simplify right side
    34,109.20x = 894,459,535.66
  5. Step 5: Solve for x
    x = 894,459,535.66/34,109.20
  6. Step 6: Final answer
    x = 26,223.41

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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.