Home / 39,121.26-53,990.02-22,125.51

Finding the Fourth Proportional to 39,121.26, 53,990.02 and 22,125.51

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Solution

The fourth proportional to 39,121.26, 53,990.02 and 22,125.51 is: 30,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,121.26 : 53,990.02 = 22,125.51 : x
  2. Step 2: Convert to fraction form
    39,121.26/53,990.02 = 22,125.51/x
  3. Step 3: Cross multiply
    39,121.26x = 53,990.02 × 22,125.51
  4. Step 4: Simplify right side
    39,121.26x = 1,194,556,727.41
  5. Step 5: Solve for x
    x = 1,194,556,727.41/39,121.26
  6. Step 6: Final answer
    x = 30,534.72

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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.