Home / 37,878.17-52,272.23-20,883.02

Finding the Fourth Proportional to 37,878.17, 52,272.23 and 20,883.02

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Solution

The fourth proportional to 37,878.17, 52,272.23 and 20,883.02 is: 28,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,878.17 : 52,272.23 = 20,883.02 : x
  2. Step 2: Convert to fraction form
    37,878.17/52,272.23 = 20,883.02/x
  3. Step 3: Cross multiply
    37,878.17x = 52,272.23 × 20,883.02
  4. Step 4: Simplify right side
    37,878.17x = 1,091,601,920.12
  5. Step 5: Solve for x
    x = 1,091,601,920.12/37,878.17
  6. Step 6: Final answer
    x = 28,818.76

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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.