Home / 37,763.20-52,112.64-20,995.20

Finding the Fourth Proportional to 37,763.20, 52,112.64 and 20,995.20

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Solution

The fourth proportional to 37,763.20, 52,112.64 and 20,995.20 is: 28,973.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,763.20 : 52,112.64 = 20,995.20 : x
  2. Step 2: Convert to fraction form
    37,763.20/52,112.64 = 20,995.20/x
  3. Step 3: Cross multiply
    37,763.20x = 52,112.64 × 20,995.20
  4. Step 4: Simplify right side
    37,763.20x = 1,094,115,299.33
  5. Step 5: Solve for x
    x = 1,094,115,299.33/37,763.20
  6. Step 6: Final answer
    x = 28,973.06

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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.