Home / 39,340.44-54,291.18-21,436.92

Finding the Fourth Proportional to 39,340.44, 54,291.18 and 21,436.92

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Solution

The fourth proportional to 39,340.44, 54,291.18 and 21,436.92 is: 29,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,340.44 : 54,291.18 = 21,436.92 : x
  2. Step 2: Convert to fraction form
    39,340.44/54,291.18 = 21,436.92/x
  3. Step 3: Cross multiply
    39,340.44x = 54,291.18 × 21,436.92
  4. Step 4: Simplify right side
    39,340.44x = 1,163,835,682.37
  5. Step 5: Solve for x
    x = 1,163,835,682.37/39,340.44
  6. Step 6: Final answer
    x = 29,583.70

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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.