Home / 34,109.19-47,071.17-18,797.55

Finding the Fourth Proportional to 34,109.19, 47,071.17 and 18,797.55

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Solution

The fourth proportional to 34,109.19, 47,071.17 and 18,797.55 is: 25,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,109.19 : 47,071.17 = 18,797.55 : x
  2. Step 2: Convert to fraction form
    34,109.19/47,071.17 = 18,797.55/x
  3. Step 3: Cross multiply
    34,109.19x = 47,071.17 × 18,797.55
  4. Step 4: Simplify right side
    34,109.19x = 884,822,671.63
  5. Step 5: Solve for x
    x = 884,822,671.63/34,109.19
  6. Step 6: Final answer
    x = 25,940.89

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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.