Home / 35,850.42-49,471.64-19,717.40

Finding the Fourth Proportional to 35,850.42, 49,471.64 and 19,717.40

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Solution

The fourth proportional to 35,850.42, 49,471.64 and 19,717.40 is: 27,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,850.42 : 49,471.64 = 19,717.40 : x
  2. Step 2: Convert to fraction form
    35,850.42/49,471.64 = 19,717.40/x
  3. Step 3: Cross multiply
    35,850.42x = 49,471.64 × 19,717.40
  4. Step 4: Simplify right side
    35,850.42x = 975,452,114.54
  5. Step 5: Solve for x
    x = 975,452,114.54/35,850.42
  6. Step 6: Final answer
    x = 27,208.95

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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.