Home / 36,080.32-49,787.04-20,970.24

Finding the Fourth Proportional to 36,080.32, 49,787.04 and 20,970.24

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Solution

The fourth proportional to 36,080.32, 49,787.04 and 20,970.24 is: 28,936.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,080.32 : 49,787.04 = 20,970.24 : x
  2. Step 2: Convert to fraction form
    36,080.32/49,787.04 = 20,970.24/x
  3. Step 3: Cross multiply
    36,080.32x = 49,787.04 × 20,970.24
  4. Step 4: Simplify right side
    36,080.32x = 1,044,046,177.69
  5. Step 5: Solve for x
    x = 1,044,046,177.69/36,080.32
  6. Step 6: Final answer
    x = 28,936.72

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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.