Home / 52,133.15-78,205.19-17,075.54

Finding the Fourth Proportional to 52,133.15, 78,205.19 and 17,075.54

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Solution

The fourth proportional to 52,133.15, 78,205.19 and 17,075.54 is: 25,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,133.15 : 78,205.19 = 17,075.54 : x
  2. Step 2: Convert to fraction form
    52,133.15/78,205.19 = 17,075.54/x
  3. Step 3: Cross multiply
    52,133.15x = 78,205.19 × 17,075.54
  4. Step 4: Simplify right side
    52,133.15x = 1,335,395,850.05
  5. Step 5: Solve for x
    x = 1,335,395,850.05/52,133.15
  6. Step 6: Final answer
    x = 25,615.10

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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.