Home / 37,895.64-52,295.22-21,979.68

Finding the Fourth Proportional to 37,895.64, 52,295.22 and 21,979.68

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Solution

The fourth proportional to 37,895.64, 52,295.22 and 21,979.68 is: 30,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,895.64 : 52,295.22 = 21,979.68 : x
  2. Step 2: Convert to fraction form
    37,895.64/52,295.22 = 21,979.68/x
  3. Step 3: Cross multiply
    37,895.64x = 52,295.22 × 21,979.68
  4. Step 4: Simplify right side
    37,895.64x = 1,149,432,201.13
  5. Step 5: Solve for x
    x = 1,149,432,201.13/37,895.64
  6. Step 6: Final answer
    x = 30,331.52

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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.