Home / 37,773.32-52,128.47-20,778.83

Finding the Fourth Proportional to 37,773.32, 52,128.47 and 20,778.83

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Solution

The fourth proportional to 37,773.32, 52,128.47 and 20,778.83 is: 28,675.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,773.32 : 52,128.47 = 20,778.83 : x
  2. Step 2: Convert to fraction form
    37,773.32/52,128.47 = 20,778.83/x
  3. Step 3: Cross multiply
    37,773.32x = 52,128.47 × 20,778.83
  4. Step 4: Simplify right side
    37,773.32x = 1,083,168,512.40
  5. Step 5: Solve for x
    x = 1,083,168,512.40/37,773.32
  6. Step 6: Final answer
    x = 28,675.49

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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.