Home / 34,172.11-47,158.68-19,830.84

Finding the Fourth Proportional to 34,172.11, 47,158.68 and 19,830.84

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Solution

The fourth proportional to 34,172.11, 47,158.68 and 19,830.84 is: 27,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,172.11 : 47,158.68 = 19,830.84 : x
  2. Step 2: Convert to fraction form
    34,172.11/47,158.68 = 19,830.84/x
  3. Step 3: Cross multiply
    34,172.11x = 47,158.68 × 19,830.84
  4. Step 4: Simplify right side
    34,172.11x = 935,196,237.69
  5. Step 5: Solve for x
    x = 935,196,237.69/34,172.11
  6. Step 6: Final answer
    x = 27,367.24

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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.