Home / 51,821.02-77,756.12-22,247.28

Finding the Fourth Proportional to 51,821.02, 77,756.12 and 22,247.28

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Solution

The fourth proportional to 51,821.02, 77,756.12 and 22,247.28 is: 33,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,821.02 : 77,756.12 = 22,247.28 : x
  2. Step 2: Convert to fraction form
    51,821.02/77,756.12 = 22,247.28/x
  3. Step 3: Cross multiply
    51,821.02x = 77,756.12 × 22,247.28
  4. Step 4: Simplify right side
    51,821.02x = 1,729,862,173.35
  5. Step 5: Solve for x
    x = 1,729,862,173.35/51,821.02
  6. Step 6: Final answer
    x = 33,381.48

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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.