Home / 52,245.66-78,343.79-20,239.72

Finding the Fourth Proportional to 52,245.66, 78,343.79 and 20,239.72

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Solution

The fourth proportional to 52,245.66, 78,343.79 and 20,239.72 is: 30,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,245.66 : 78,343.79 = 20,239.72 : x
  2. Step 2: Convert to fraction form
    52,245.66/78,343.79 = 20,239.72/x
  3. Step 3: Cross multiply
    52,245.66x = 78,343.79 × 20,239.72
  4. Step 4: Simplify right side
    52,245.66x = 1,585,656,468.00
  5. Step 5: Solve for x
    x = 1,585,656,468.00/52,245.66
  6. Step 6: Final answer
    x = 30,350.01

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1.5x scale

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.