Home / 39,960.02-55,145.66-22,054.98

Finding the Fourth Proportional to 39,960.02, 55,145.66 and 22,054.98

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Solution

The fourth proportional to 39,960.02, 55,145.66 and 22,054.98 is: 30,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960.02 : 55,145.66 = 22,054.98 : x
  2. Step 2: Convert to fraction form
    39,960.02/55,145.66 = 22,054.98/x
  3. Step 3: Cross multiply
    39,960.02x = 55,145.66 × 22,054.98
  4. Step 4: Simplify right side
    39,960.02x = 1,216,236,648.97
  5. Step 5: Solve for x
    x = 1,216,236,648.97/39,960.02
  6. Step 6: Final answer
    x = 30,436.34

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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.