Home / 35,385.72-48,834.36-20,283.06

Finding the Fourth Proportional to 35,385.72, 48,834.36 and 20,283.06

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Solution

The fourth proportional to 35,385.72, 48,834.36 and 20,283.06 is: 27,991.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,385.72 : 48,834.36 = 20,283.06 : x
  2. Step 2: Convert to fraction form
    35,385.72/48,834.36 = 20,283.06/x
  3. Step 3: Cross multiply
    35,385.72x = 48,834.36 × 20,283.06
  4. Step 4: Simplify right side
    35,385.72x = 990,510,253.94
  5. Step 5: Solve for x
    x = 990,510,253.94/35,385.72
  6. Step 6: Final answer
    x = 27,991.81

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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.