Home / 32,542.20-48,813.30-12,810

Finding the Fourth Proportional to 32,542.20, 48,813.30 and 12,810

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Solution

The fourth proportional to 32,542.20, 48,813.30 and 12,810 is: 19,215

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,542.20 : 48,813.30 = 12,810 : x
  2. Step 2: Convert to fraction form
    32,542.20/48,813.30 = 12,810/x
  3. Step 3: Cross multiply
    32,542.20x = 48,813.30 × 12,810
  4. Step 4: Simplify right side
    32,542.20x = 625,298,373
  5. Step 5: Solve for x
    x = 625,298,373/32,542.20
  6. Step 6: Final answer
    x = 19,215

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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.