Home / 39,187.08-54,077.22-22,419

Finding the Fourth Proportional to 39,187.08, 54,077.22 and 22,419

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Solution

The fourth proportional to 39,187.08, 54,077.22 and 22,419 is: 30,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,187.08 : 54,077.22 = 22,419 : x
  2. Step 2: Convert to fraction form
    39,187.08/54,077.22 = 22,419/x
  3. Step 3: Cross multiply
    39,187.08x = 54,077.22 × 22,419
  4. Step 4: Simplify right side
    39,187.08x = 1,212,357,195.18
  5. Step 5: Solve for x
    x = 1,212,357,195.18/39,187.08
  6. Step 6: Final answer
    x = 30,937.68

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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.