Home / 52,747.44-79,121.16-21,570

Finding the Fourth Proportional to 52,747.44, 79,121.16 and 21,570

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Solution

The fourth proportional to 52,747.44, 79,121.16 and 21,570 is: 32,355

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,747.44 : 79,121.16 = 21,570 : x
  2. Step 2: Convert to fraction form
    52,747.44/79,121.16 = 21,570/x
  3. Step 3: Cross multiply
    52,747.44x = 79,121.16 × 21,570
  4. Step 4: Simplify right side
    52,747.44x = 1,706,643,421.20
  5. Step 5: Solve for x
    x = 1,706,643,421.20/52,747.44
  6. Step 6: Final answer
    x = 32,355

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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.