Home / 35,307.42-48,725.40-20,200.11

Finding the Fourth Proportional to 35,307.42, 48,725.40 and 20,200.11

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Solution

The fourth proportional to 35,307.42, 48,725.40 and 20,200.11 is: 27,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,307.42 : 48,725.40 = 20,200.11 : x
  2. Step 2: Convert to fraction form
    35,307.42/48,725.40 = 20,200.11/x
  3. Step 3: Cross multiply
    35,307.42x = 48,725.40 × 20,200.11
  4. Step 4: Simplify right side
    35,307.42x = 984,258,439.79
  5. Step 5: Solve for x
    x = 984,258,439.79/35,307.42
  6. Step 6: Final answer
    x = 27,876.82

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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.