Home / 35,791.95-49,390.79-19,875.45

Finding the Fourth Proportional to 35,791.95, 49,390.79 and 19,875.45

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Solution

The fourth proportional to 35,791.95, 49,390.79 and 19,875.45 is: 27,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,791.95 : 49,390.79 = 19,875.45 : x
  2. Step 2: Convert to fraction form
    35,791.95/49,390.79 = 19,875.45/x
  3. Step 3: Cross multiply
    35,791.95x = 49,390.79 × 19,875.45
  4. Step 4: Simplify right side
    35,791.95x = 981,664,077.73
  5. Step 5: Solve for x
    x = 981,664,077.73/35,791.95
  6. Step 6: Final answer
    x = 27,426.95

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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.