Home / 34,573.55-47,712.11-20,426.36

Finding the Fourth Proportional to 34,573.55, 47,712.11 and 20,426.36

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Solution

The fourth proportional to 34,573.55, 47,712.11 and 20,426.36 is: 28,188.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,573.55 : 47,712.11 = 20,426.36 : x
  2. Step 2: Convert to fraction form
    34,573.55/47,712.11 = 20,426.36/x
  3. Step 3: Cross multiply
    34,573.55x = 47,712.11 × 20,426.36
  4. Step 4: Simplify right side
    34,573.55x = 974,584,394.53
  5. Step 5: Solve for x
    x = 974,584,394.53/34,573.55
  6. Step 6: Final answer
    x = 28,188.73

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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.