Home / 39,617.84-54,665.70-22,614.32

Finding the Fourth Proportional to 39,617.84, 54,665.70 and 22,614.32

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Solution

The fourth proportional to 39,617.84, 54,665.70 and 22,614.32 is: 31,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,617.84 : 54,665.70 = 22,614.32 : x
  2. Step 2: Convert to fraction form
    39,617.84/54,665.70 = 22,614.32/x
  3. Step 3: Cross multiply
    39,617.84x = 54,665.70 × 22,614.32
  4. Step 4: Simplify right side
    39,617.84x = 1,236,227,632.82
  5. Step 5: Solve for x
    x = 1,236,227,632.82/39,617.84
  6. Step 6: Final answer
    x = 31,203.81

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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.