Home / 32,163.84-44,388.48-21,557.76

Finding the Fourth Proportional to 32,163.84, 44,388.48 and 21,557.76

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Solution

The fourth proportional to 32,163.84, 44,388.48 and 21,557.76 is: 29,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,163.84 : 44,388.48 = 21,557.76 : x
  2. Step 2: Convert to fraction form
    32,163.84/44,388.48 = 21,557.76/x
  3. Step 3: Cross multiply
    32,163.84x = 44,388.48 × 21,557.76
  4. Step 4: Simplify right side
    32,163.84x = 956,916,198.60
  5. Step 5: Solve for x
    x = 956,916,198.60/32,163.84
  6. Step 6: Final answer
    x = 29,751.30

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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.