Home / 37,774.13-52,124.68-20,778.11

Finding the Fourth Proportional to 37,774.13, 52,124.68 and 20,778.11

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Solution

The fourth proportional to 37,774.13, 52,124.68 and 20,778.11 is: 28,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,774.13 : 52,124.68 = 20,778.11 : x
  2. Step 2: Convert to fraction form
    37,774.13/52,124.68 = 20,778.11/x
  3. Step 3: Cross multiply
    37,774.13x = 52,124.68 × 20,778.11
  4. Step 4: Simplify right side
    37,774.13x = 1,083,052,022.19
  5. Step 5: Solve for x
    x = 1,083,052,022.19/37,774.13
  6. Step 6: Final answer
    x = 28,671.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.