Home / 34,365.12-47,422.08-20,225.76

Finding the Fourth Proportional to 34,365.12, 47,422.08 and 20,225.76

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Solution

The fourth proportional to 34,365.12, 47,422.08 and 20,225.76 is: 27,910.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,365.12 : 47,422.08 = 20,225.76 : x
  2. Step 2: Convert to fraction form
    34,365.12/47,422.08 = 20,225.76/x
  3. Step 3: Cross multiply
    34,365.12x = 47,422.08 × 20,225.76
  4. Step 4: Simplify right side
    34,365.12x = 959,147,608.78
  5. Step 5: Solve for x
    x = 959,147,608.78/34,365.12
  6. Step 6: Final answer
    x = 27,910.50

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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.