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Finding the Fourth Proportional to 32,751.48, 45,194.88 and 18,413.52

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Solution

The fourth proportional to 32,751.48, 45,194.88 and 18,413.52 is: 25,409.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,751.48 : 45,194.88 = 18,413.52 : x
  2. Step 2: Convert to fraction form
    32,751.48/45,194.88 = 18,413.52/x
  3. Step 3: Cross multiply
    32,751.48x = 45,194.88 × 18,413.52
  4. Step 4: Simplify right side
    32,751.48x = 832,196,826.78
  5. Step 5: Solve for x
    x = 832,196,826.78/32,751.48
  6. Step 6: Final answer
    x = 25,409.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.