Home / 35,147.92-48,480.24-20,995.60

Finding the Fourth Proportional to 35,147.92, 48,480.24 and 20,995.60

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Solution

The fourth proportional to 35,147.92, 48,480.24 and 20,995.60 is: 28,959.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,147.92 : 48,480.24 = 20,995.60 : x
  2. Step 2: Convert to fraction form
    35,147.92/48,480.24 = 20,995.60/x
  3. Step 3: Cross multiply
    35,147.92x = 48,480.24 × 20,995.60
  4. Step 4: Simplify right side
    35,147.92x = 1,017,871,726.94
  5. Step 5: Solve for x
    x = 1,017,871,726.94/35,147.92
  6. Step 6: Final answer
    x = 28,959.66

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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.