Home / 37,686.12-52,007.50-20,691.96

Finding the Fourth Proportional to 37,686.12, 52,007.50 and 20,691.96

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Solution

The fourth proportional to 37,686.12, 52,007.50 and 20,691.96 is: 28,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,686.12 : 52,007.50 = 20,691.96 : x
  2. Step 2: Convert to fraction form
    37,686.12/52,007.50 = 20,691.96/x
  3. Step 3: Cross multiply
    37,686.12x = 52,007.50 × 20,691.96
  4. Step 4: Simplify right side
    37,686.12x = 1,076,137,109.70
  5. Step 5: Solve for x
    x = 1,076,137,109.70/37,686.12
  6. Step 6: Final answer
    x = 28,555.26

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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.