Home / 32,868.45-45,358.92-18,721.53

Finding the Fourth Proportional to 32,868.45, 45,358.92 and 18,721.53

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Solution

The fourth proportional to 32,868.45, 45,358.92 and 18,721.53 is: 25,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,868.45 : 45,358.92 = 18,721.53 : x
  2. Step 2: Convert to fraction form
    32,868.45/45,358.92 = 18,721.53/x
  3. Step 3: Cross multiply
    32,868.45x = 45,358.92 × 18,721.53
  4. Step 4: Simplify right side
    32,868.45x = 849,188,381.55
  5. Step 5: Solve for x
    x = 849,188,381.55/32,868.45
  6. Step 6: Final answer
    x = 25,835.97

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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.