Home / 39,499.68-54,523.28-22,739.36

Finding the Fourth Proportional to 39,499.68, 54,523.28 and 22,739.36

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Solution

The fourth proportional to 39,499.68, 54,523.28 and 22,739.36 is: 31,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,499.68 : 54,523.28 = 22,739.36 : x
  2. Step 2: Convert to fraction form
    39,499.68/54,523.28 = 22,739.36/x
  3. Step 3: Cross multiply
    39,499.68x = 54,523.28 × 22,739.36
  4. Step 4: Simplify right side
    39,499.68x = 1,239,824,492.30
  5. Step 5: Solve for x
    x = 1,239,824,492.30/39,499.68
  6. Step 6: Final answer
    x = 31,388.22

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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.