Home / 52,767.40-79,129.83-19,023.81

Finding the Fourth Proportional to 52,767.40, 79,129.83 and 19,023.81

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Solution

The fourth proportional to 52,767.40, 79,129.83 and 19,023.81 is: 28,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,767.40 : 79,129.83 = 19,023.81 : x
  2. Step 2: Convert to fraction form
    52,767.40/79,129.83 = 19,023.81/x
  3. Step 3: Cross multiply
    52,767.40x = 79,129.83 × 19,023.81
  4. Step 4: Simplify right side
    52,767.40x = 1,505,350,851.25
  5. Step 5: Solve for x
    x = 1,505,350,851.25/52,767.40
  6. Step 6: Final answer
    x = 28,528.05

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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.