Home / 45,481.28-62,783.52-30,585.92

Finding the Fourth Proportional to 45,481.28, 62,783.52 and 30,585.92

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Solution

The fourth proportional to 45,481.28, 62,783.52 and 30,585.92 is: 42,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,481.28 : 62,783.52 = 30,585.92 : x
  2. Step 2: Convert to fraction form
    45,481.28/62,783.52 = 30,585.92/x
  3. Step 3: Cross multiply
    45,481.28x = 62,783.52 × 30,585.92
  4. Step 4: Simplify right side
    45,481.28x = 1,920,291,720.04
  5. Step 5: Solve for x
    x = 1,920,291,720.04/45,481.28
  6. Step 6: Final answer
    x = 42,221.58

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Double scale
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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.