Home / 39,807.17-54,935.24-21,902.93

Finding the Fourth Proportional to 39,807.17, 54,935.24 and 21,902.93

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Solution

The fourth proportional to 39,807.17, 54,935.24 and 21,902.93 is: 30,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807.17 : 54,935.24 = 21,902.93 : x
  2. Step 2: Convert to fraction form
    39,807.17/54,935.24 = 21,902.93/x
  3. Step 3: Cross multiply
    39,807.17x = 54,935.24 × 21,902.93
  4. Step 4: Simplify right side
    39,807.17x = 1,203,242,332.06
  5. Step 5: Solve for x
    x = 1,203,242,332.06/39,807.17
  6. Step 6: Final answer
    x = 30,226.78

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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.