Home / 32,815.73-45,269.93-21,480.23

Finding the Fourth Proportional to 32,815.73, 45,269.93 and 21,480.23

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Solution

The fourth proportional to 32,815.73, 45,269.93 and 21,480.23 is: 29,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,815.73 : 45,269.93 = 21,480.23 : x
  2. Step 2: Convert to fraction form
    32,815.73/45,269.93 = 21,480.23/x
  3. Step 3: Cross multiply
    32,815.73x = 45,269.93 × 21,480.23
  4. Step 4: Simplify right side
    32,815.73x = 972,408,174.73
  5. Step 5: Solve for x
    x = 972,408,174.73/32,815.73
  6. Step 6: Final answer
    x = 29,632.38

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Find fourth proportional to 32,816.73, 45,271.30 and 21,481.23
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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.