Home / 53,564.82-80,358.97-20,285.12

Finding the Fourth Proportional to 53,564.82, 80,358.97 and 20,285.12

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Solution

The fourth proportional to 53,564.82, 80,358.97 and 20,285.12 is: 30,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,564.82 : 80,358.97 = 20,285.12 : x
  2. Step 2: Convert to fraction form
    53,564.82/80,358.97 = 20,285.12/x
  3. Step 3: Cross multiply
    53,564.82x = 80,358.97 × 20,285.12
  4. Step 4: Simplify right side
    53,564.82x = 1,630,091,349.53
  5. Step 5: Solve for x
    x = 1,630,091,349.53/53,564.82
  6. Step 6: Final answer
    x = 30,432.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.