Home / 39,970.24-55,166.99-22,986.36

Finding the Fourth Proportional to 39,970.24, 55,166.99 and 22,986.36

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Solution

The fourth proportional to 39,970.24, 55,166.99 and 22,986.36 is: 31,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,970.24 : 55,166.99 = 22,986.36 : x
  2. Step 2: Convert to fraction form
    39,970.24/55,166.99 = 22,986.36/x
  3. Step 3: Cross multiply
    39,970.24x = 55,166.99 × 22,986.36
  4. Step 4: Simplify right side
    39,970.24x = 1,268,088,292.26
  5. Step 5: Solve for x
    x = 1,268,088,292.26/39,970.24
  6. Step 6: Final answer
    x = 31,725.81

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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.