Home / 38,987.68-53,803.92-22,222.24

Finding the Fourth Proportional to 38,987.68, 53,803.92 and 22,222.24

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Solution

The fourth proportional to 38,987.68, 53,803.92 and 22,222.24 is: 30,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,987.68 : 53,803.92 = 22,222.24 : x
  2. Step 2: Convert to fraction form
    38,987.68/53,803.92 = 22,222.24/x
  3. Step 3: Cross multiply
    38,987.68x = 53,803.92 × 22,222.24
  4. Step 4: Simplify right side
    38,987.68x = 1,195,643,623.18
  5. Step 5: Solve for x
    x = 1,195,643,623.18/38,987.68
  6. Step 6: Final answer
    x = 30,667.22

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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.