Home / 38,721.46-53,451.89-32,783.89

Finding the Fourth Proportional to 38,721.46, 53,451.89 and 32,783.89

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Solution

The fourth proportional to 38,721.46, 53,451.89 and 32,783.89 is: 45,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,721.46 : 53,451.89 = 32,783.89 : x
  2. Step 2: Convert to fraction form
    38,721.46/53,451.89 = 32,783.89/x
  3. Step 3: Cross multiply
    38,721.46x = 53,451.89 × 32,783.89
  4. Step 4: Simplify right side
    38,721.46x = 1,752,360,882.05
  5. Step 5: Solve for x
    x = 1,752,360,882.05/38,721.46
  6. Step 6: Final answer
    x = 45,255.55

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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.