Home / 39,729.08-54,812.75-22,499.09

Finding the Fourth Proportional to 39,729.08, 54,812.75 and 22,499.09

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Solution

The fourth proportional to 39,729.08, 54,812.75 and 22,499.09 is: 31,041.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,729.08 : 54,812.75 = 22,499.09 : x
  2. Step 2: Convert to fraction form
    39,729.08/54,812.75 = 22,499.09/x
  3. Step 3: Cross multiply
    39,729.08x = 54,812.75 × 22,499.09
  4. Step 4: Simplify right side
    39,729.08x = 1,233,236,608.84
  5. Step 5: Solve for x
    x = 1,233,236,608.84/39,729.08
  6. Step 6: Final answer
    x = 31,041.16

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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.