Home / 37,774.90-52,127.75-20,778.06

Finding the Fourth Proportional to 37,774.90, 52,127.75 and 20,778.06

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Solution

The fourth proportional to 37,774.90, 52,127.75 and 20,778.06 is: 28,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,774.90 : 52,127.75 = 20,778.06 : x
  2. Step 2: Convert to fraction form
    37,774.90/52,127.75 = 20,778.06/x
  3. Step 3: Cross multiply
    37,774.90x = 52,127.75 × 20,778.06
  4. Step 4: Simplify right side
    37,774.90x = 1,083,113,764.59
  5. Step 5: Solve for x
    x = 1,083,113,764.59/37,774.90
  6. Step 6: Final answer
    x = 28,672.84

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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.