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Finding the Fourth Proportional to 32,542.53, 48,795.12 and 12,810.33

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Solution

The fourth proportional to 32,542.53, 48,795.12 and 12,810.33 is: 19,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,542.53 : 48,795.12 = 12,810.33 : x
  2. Step 2: Convert to fraction form
    32,542.53/48,795.12 = 12,810.33/x
  3. Step 3: Cross multiply
    32,542.53x = 48,795.12 × 12,810.33
  4. Step 4: Simplify right side
    32,542.53x = 625,081,281.56
  5. Step 5: Solve for x
    x = 625,081,281.56/32,542.53
  6. Step 6: Final answer
    x = 19,208.13

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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.