Home / 37,540.16-51,805.12-20,774.08

Finding the Fourth Proportional to 37,540.16, 51,805.12 and 20,774.08

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Solution

The fourth proportional to 37,540.16, 51,805.12 and 20,774.08 is: 28,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,540.16 : 51,805.12 = 20,774.08 : x
  2. Step 2: Convert to fraction form
    37,540.16/51,805.12 = 20,774.08/x
  3. Step 3: Cross multiply
    37,540.16x = 51,805.12 × 20,774.08
  4. Step 4: Simplify right side
    37,540.16x = 1,076,203,707.29
  5. Step 5: Solve for x
    x = 1,076,203,707.29/37,540.16
  6. Step 6: Final answer
    x = 28,668.06

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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.