Home / 35,055.36-48,385.92-20,908.80

Finding the Fourth Proportional to 35,055.36, 48,385.92 and 20,908.80

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Solution

The fourth proportional to 35,055.36, 48,385.92 and 20,908.80 is: 28,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,055.36 : 48,385.92 = 20,908.80 : x
  2. Step 2: Convert to fraction form
    35,055.36/48,385.92 = 20,908.80/x
  3. Step 3: Cross multiply
    35,055.36x = 48,385.92 × 20,908.80
  4. Step 4: Simplify right side
    35,055.36x = 1,011,691,524.10
  5. Step 5: Solve for x
    x = 1,011,691,524.10/35,055.36
  6. Step 6: Final answer
    x = 28,859.82

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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.