Home / 32,645.62-45,034.37-21,321.74

Finding the Fourth Proportional to 32,645.62, 45,034.37 and 21,321.74

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Solution

The fourth proportional to 32,645.62, 45,034.37 and 21,321.74 is: 29,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,645.62 : 45,034.37 = 21,321.74 : x
  2. Step 2: Convert to fraction form
    32,645.62/45,034.37 = 21,321.74/x
  3. Step 3: Cross multiply
    32,645.62x = 45,034.37 × 21,321.74
  4. Step 4: Simplify right side
    32,645.62x = 960,211,128.20
  5. Step 5: Solve for x
    x = 960,211,128.20/32,645.62
  6. Step 6: Final answer
    x = 29,413.17

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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.