Home / 52,138.02-78,212.51-17,080.41

Finding the Fourth Proportional to 52,138.02, 78,212.51 and 17,080.41

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Solution

The fourth proportional to 52,138.02, 78,212.51 and 17,080.41 is: 25,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,138.02 : 78,212.51 = 17,080.41 : x
  2. Step 2: Convert to fraction form
    52,138.02/78,212.51 = 17,080.41/x
  3. Step 3: Cross multiply
    52,138.02x = 78,212.51 × 17,080.41
  4. Step 4: Simplify right side
    52,138.02x = 1,335,901,652.53
  5. Step 5: Solve for x
    x = 1,335,901,652.53/52,138.02
  6. Step 6: Final answer
    x = 25,622.41

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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.