Home / 37,778.58-52,135.11-20,784.24

Finding the Fourth Proportional to 37,778.58, 52,135.11 and 20,784.24

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Solution

The fourth proportional to 37,778.58, 52,135.11 and 20,784.24 is: 28,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,778.58 : 52,135.11 = 20,784.24 : x
  2. Step 2: Convert to fraction form
    37,778.58/52,135.11 = 20,784.24/x
  3. Step 3: Cross multiply
    37,778.58x = 52,135.11 × 20,784.24
  4. Step 4: Simplify right side
    37,778.58x = 1,083,588,638.67
  5. Step 5: Solve for x
    x = 1,083,588,638.67/37,778.58
  6. Step 6: Final answer
    x = 28,682.62

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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.