Home / 37,687.19-52,008.09-20,691.74

Finding the Fourth Proportional to 37,687.19, 52,008.09 and 20,691.74

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Solution

The fourth proportional to 37,687.19, 52,008.09 and 20,691.74 is: 28,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,687.19 : 52,008.09 = 20,691.74 : x
  2. Step 2: Convert to fraction form
    37,687.19/52,008.09 = 20,691.74/x
  3. Step 3: Cross multiply
    37,687.19x = 52,008.09 × 20,691.74
  4. Step 4: Simplify right side
    37,687.19x = 1,076,137,752.45
  5. Step 5: Solve for x
    x = 1,076,137,752.45/37,687.19
  6. Step 6: Final answer
    x = 28,554.47

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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.