Home / 35,784.95-49,382.46-19,869.12

Finding the Fourth Proportional to 35,784.95, 49,382.46 and 19,869.12

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Solution

The fourth proportional to 35,784.95, 49,382.46 and 19,869.12 is: 27,418.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,784.95 : 49,382.46 = 19,869.12 : x
  2. Step 2: Convert to fraction form
    35,784.95/49,382.46 = 19,869.12/x
  3. Step 3: Cross multiply
    35,784.95x = 49,382.46 × 19,869.12
  4. Step 4: Simplify right side
    35,784.95x = 981,186,023.64
  5. Step 5: Solve for x
    x = 981,186,023.64/35,784.95
  6. Step 6: Final answer
    x = 27,418.96

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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.