Home / 52,150.27-78,231.53-18,886.03

Finding the Fourth Proportional to 52,150.27, 78,231.53 and 18,886.03

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Solution

The fourth proportional to 52,150.27, 78,231.53 and 18,886.03 is: 28,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,150.27 : 78,231.53 = 18,886.03 : x
  2. Step 2: Convert to fraction form
    52,150.27/78,231.53 = 18,886.03/x
  3. Step 3: Cross multiply
    52,150.27x = 78,231.53 × 18,886.03
  4. Step 4: Simplify right side
    52,150.27x = 1,477,483,022.53
  5. Step 5: Solve for x
    x = 1,477,483,022.53/52,150.27
  6. Step 6: Final answer
    x = 28,331.26

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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.