Home / 35,753.16-49,339.20-20,644.65

Finding the Fourth Proportional to 35,753.16, 49,339.20 and 20,644.65

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Solution

The fourth proportional to 35,753.16, 49,339.20 and 20,644.65 is: 28,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,753.16 : 49,339.20 = 20,644.65 : x
  2. Step 2: Convert to fraction form
    35,753.16/49,339.20 = 20,644.65/x
  3. Step 3: Cross multiply
    35,753.16x = 49,339.20 × 20,644.65
  4. Step 4: Simplify right side
    35,753.16x = 1,018,590,515.28
  5. Step 5: Solve for x
    x = 1,018,590,515.28/35,753.16
  6. Step 6: Final answer
    x = 28,489.52

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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.