Home / 37,722.78-52,059.60-20,955.78

Finding the Fourth Proportional to 37,722.78, 52,059.60 and 20,955.78

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Solution

The fourth proportional to 37,722.78, 52,059.60 and 20,955.78 is: 28,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,722.78 : 52,059.60 = 20,955.78 : x
  2. Step 2: Convert to fraction form
    37,722.78/52,059.60 = 20,955.78/x
  3. Step 3: Cross multiply
    37,722.78x = 52,059.60 × 20,955.78
  4. Step 4: Simplify right side
    37,722.78x = 1,090,949,524.49
  5. Step 5: Solve for x
    x = 1,090,949,524.49/37,722.78
  6. Step 6: Final answer
    x = 28,920.18

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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.