Home / 35,758.48-49,341.36-19,842.88

Finding the Fourth Proportional to 35,758.48, 49,341.36 and 19,842.88

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Solution

The fourth proportional to 35,758.48, 49,341.36 and 19,842.88 is: 27,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,758.48 : 49,341.36 = 19,842.88 : x
  2. Step 2: Convert to fraction form
    35,758.48/49,341.36 = 19,842.88/x
  3. Step 3: Cross multiply
    35,758.48x = 49,341.36 × 19,842.88
  4. Step 4: Simplify right side
    35,758.48x = 979,074,685.52
  5. Step 5: Solve for x
    x = 979,074,685.52/35,758.48
  6. Step 6: Final answer
    x = 27,380.21

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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.