Home / 37,880.52-52,272.78-20,883.90

Finding the Fourth Proportional to 37,880.52, 52,272.78 and 20,883.90

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Solution

The fourth proportional to 37,880.52, 52,272.78 and 20,883.90 is: 28,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,880.52 : 52,272.78 = 20,883.90 : x
  2. Step 2: Convert to fraction form
    37,880.52/52,272.78 = 20,883.90/x
  3. Step 3: Cross multiply
    37,880.52x = 52,272.78 × 20,883.90
  4. Step 4: Simplify right side
    37,880.52x = 1,091,659,510.24
  5. Step 5: Solve for x
    x = 1,091,659,510.24/37,880.52
  6. Step 6: Final answer
    x = 28,818.49

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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.