Home / 32,131.26-48,205.20-18,815.50

Finding the Fourth Proportional to 32,131.26, 48,205.20 and 18,815.50

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Solution

The fourth proportional to 32,131.26, 48,205.20 and 18,815.50 is: 28,228.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,131.26 : 48,205.20 = 18,815.50 : x
  2. Step 2: Convert to fraction form
    32,131.26/48,205.20 = 18,815.50/x
  3. Step 3: Cross multiply
    32,131.26x = 48,205.20 × 18,815.50
  4. Step 4: Simplify right side
    32,131.26x = 907,005,126.52
  5. Step 5: Solve for x
    x = 907,005,126.52/32,131.26
  6. Step 6: Final answer
    x = 28,228.12

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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.