Home / 37,715.90-52,042.16-21,797.28

Finding the Fourth Proportional to 37,715.90, 52,042.16 and 21,797.28

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Solution

The fourth proportional to 37,715.90, 52,042.16 and 21,797.28 is: 30,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,715.90 : 52,042.16 = 21,797.28 : x
  2. Step 2: Convert to fraction form
    37,715.90/52,042.16 = 21,797.28/x
  3. Step 3: Cross multiply
    37,715.90x = 52,042.16 × 21,797.28
  4. Step 4: Simplify right side
    37,715.90x = 1,134,377,533.32
  5. Step 5: Solve for x
    x = 1,134,377,533.32/37,715.90
  6. Step 6: Final answer
    x = 30,076.90

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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.