Home / 34,968.57-52,390.67-20,146.87

Finding the Fourth Proportional to 34,968.57, 52,390.67 and 20,146.87

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Solution

The fourth proportional to 34,968.57, 52,390.67 and 20,146.87 is: 30,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,968.57 : 52,390.67 = 20,146.87 : x
  2. Step 2: Convert to fraction form
    34,968.57/52,390.67 = 20,146.87/x
  3. Step 3: Cross multiply
    34,968.57x = 52,390.67 × 20,146.87
  4. Step 4: Simplify right side
    34,968.57x = 1,055,507,655.02
  5. Step 5: Solve for x
    x = 1,055,507,655.02/34,968.57
  6. Step 6: Final answer
    x = 30,184.47

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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.