Home / 39,592.32-54,637.41-21,687.66

Finding the Fourth Proportional to 39,592.32, 54,637.41 and 21,687.66

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Solution

The fourth proportional to 39,592.32, 54,637.41 and 21,687.66 is: 29,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,592.32 : 54,637.41 = 21,687.66 : x
  2. Step 2: Convert to fraction form
    39,592.32/54,637.41 = 21,687.66/x
  3. Step 3: Cross multiply
    39,592.32x = 54,637.41 × 21,687.66
  4. Step 4: Simplify right side
    39,592.32x = 1,184,957,571.36
  5. Step 5: Solve for x
    x = 1,184,957,571.36/39,592.32
  6. Step 6: Final answer
    x = 29,928.98

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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.