Home / 35,330.15-48,758.32-20,227.55

Finding the Fourth Proportional to 35,330.15, 48,758.32 and 20,227.55

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Solution

The fourth proportional to 35,330.15, 48,758.32 and 20,227.55 is: 27,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,330.15 : 48,758.32 = 20,227.55 : x
  2. Step 2: Convert to fraction form
    35,330.15/48,758.32 = 20,227.55/x
  3. Step 3: Cross multiply
    35,330.15x = 48,758.32 × 20,227.55
  4. Step 4: Simplify right side
    35,330.15x = 986,261,061.36
  5. Step 5: Solve for x
    x = 986,261,061.36/35,330.15
  6. Step 6: Final answer
    x = 27,915.57

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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.