Home / 37,774.90-52,127.31-20,775.88

Finding the Fourth Proportional to 37,774.90, 52,127.31 and 20,775.88

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Solution

The fourth proportional to 37,774.90, 52,127.31 and 20,775.88 is: 28,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,774.90 : 52,127.31 = 20,775.88 : x
  2. Step 2: Convert to fraction form
    37,774.90/52,127.31 = 20,775.88/x
  3. Step 3: Cross multiply
    37,774.90x = 52,127.31 × 20,775.88
  4. Step 4: Simplify right side
    37,774.90x = 1,082,990,737.28
  5. Step 5: Solve for x
    x = 1,082,990,737.28/37,774.90
  6. Step 6: Final answer
    x = 28,669.59

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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.