Home / 52,782.12-79,104.33-40,256.28

Finding the Fourth Proportional to 52,782.12, 79,104.33 and 40,256.28

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Solution

The fourth proportional to 52,782.12, 79,104.33 and 40,256.28 is: 60,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,782.12 : 79,104.33 = 40,256.28 : x
  2. Step 2: Convert to fraction form
    52,782.12/79,104.33 = 40,256.28/x
  3. Step 3: Cross multiply
    52,782.12x = 79,104.33 × 40,256.28
  4. Step 4: Simplify right side
    52,782.12x = 3,184,446,057.69
  5. Step 5: Solve for x
    x = 3,184,446,057.69/52,782.12
  6. Step 6: Final answer
    x = 60,331.91

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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.