Home / 37,866.62-52,255.23-20,639.13

Finding the Fourth Proportional to 37,866.62, 52,255.23 and 20,639.13

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Solution

The fourth proportional to 37,866.62, 52,255.23 and 20,639.13 is: 28,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,866.62 : 52,255.23 = 20,639.13 : x
  2. Step 2: Convert to fraction form
    37,866.62/52,255.23 = 20,639.13/x
  3. Step 3: Cross multiply
    37,866.62x = 52,255.23 × 20,639.13
  4. Step 4: Simplify right side
    37,866.62x = 1,078,502,485.15
  5. Step 5: Solve for x
    x = 1,078,502,485.15/37,866.62
  6. Step 6: Final answer
    x = 28,481.62

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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.