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Finding the Fourth Proportional to 32,124.48, 48,187.36 and 8,751.52

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Solution

The fourth proportional to 32,124.48, 48,187.36 and 8,751.52 is: 13,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,124.48 : 48,187.36 = 8,751.52 : x
  2. Step 2: Convert to fraction form
    32,124.48/48,187.36 = 8,751.52/x
  3. Step 3: Cross multiply
    32,124.48x = 48,187.36 × 8,751.52
  4. Step 4: Simplify right side
    32,124.48x = 421,712,644.79
  5. Step 5: Solve for x
    x = 421,712,644.79/32,124.48
  6. Step 6: Final answer
    x = 13,127.45

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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.