Home / 39,231.18-54,143.56-23,315.49

Finding the Fourth Proportional to 39,231.18, 54,143.56 and 23,315.49

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Solution

The fourth proportional to 39,231.18, 54,143.56 and 23,315.49 is: 32,178.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231.18 : 54,143.56 = 23,315.49 : x
  2. Step 2: Convert to fraction form
    39,231.18/54,143.56 = 23,315.49/x
  3. Step 3: Cross multiply
    39,231.18x = 54,143.56 × 23,315.49
  4. Step 4: Simplify right side
    39,231.18x = 1,262,383,631.74
  5. Step 5: Solve for x
    x = 1,262,383,631.74/39,231.18
  6. Step 6: Final answer
    x = 32,178.07

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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.