Home / 37,911.46-52,319.36-20,917.66

Finding the Fourth Proportional to 37,911.46, 52,319.36 and 20,917.66

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Solution

The fourth proportional to 37,911.46, 52,319.36 and 20,917.66 is: 28,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,911.46 : 52,319.36 = 20,917.66 : x
  2. Step 2: Convert to fraction form
    37,911.46/52,319.36 = 20,917.66/x
  3. Step 3: Cross multiply
    37,911.46x = 52,319.36 × 20,917.66
  4. Step 4: Simplify right side
    37,911.46x = 1,094,398,505.39
  5. Step 5: Solve for x
    x = 1,094,398,505.39/37,911.46
  6. Step 6: Final answer
    x = 28,867.22

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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.