Home / 32,228.80-48,343.20-21,140.80

Finding the Fourth Proportional to 32,228.80, 48,343.20 and 21,140.80

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Solution

The fourth proportional to 32,228.80, 48,343.20 and 21,140.80 is: 31,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,228.80 : 48,343.20 = 21,140.80 : x
  2. Step 2: Convert to fraction form
    32,228.80/48,343.20 = 21,140.80/x
  3. Step 3: Cross multiply
    32,228.80x = 48,343.20 × 21,140.80
  4. Step 4: Simplify right side
    32,228.80x = 1,022,013,922.56
  5. Step 5: Solve for x
    x = 1,022,013,922.56/32,228.80
  6. Step 6: Final answer
    x = 31,711.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.