Home / 35,255.47-48,652.09-20,147.97

Finding the Fourth Proportional to 35,255.47, 48,652.09 and 20,147.97

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Solution

The fourth proportional to 35,255.47, 48,652.09 and 20,147.97 is: 27,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,255.47 : 48,652.09 = 20,147.97 : x
  2. Step 2: Convert to fraction form
    35,255.47/48,652.09 = 20,147.97/x
  3. Step 3: Cross multiply
    35,255.47x = 48,652.09 × 20,147.97
  4. Step 4: Simplify right side
    35,255.47x = 980,240,849.76
  5. Step 5: Solve for x
    x = 980,240,849.76/35,255.47
  6. Step 6: Final answer
    x = 27,803.94

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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.