Home / 34,915.45-48,184.40-19,808.75

Finding the Fourth Proportional to 34,915.45, 48,184.40 and 19,808.75

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Solution

The fourth proportional to 34,915.45, 48,184.40 and 19,808.75 is: 27,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,915.45 : 48,184.40 = 19,808.75 : x
  2. Step 2: Convert to fraction form
    34,915.45/48,184.40 = 19,808.75/x
  3. Step 3: Cross multiply
    34,915.45x = 48,184.40 × 19,808.75
  4. Step 4: Simplify right side
    34,915.45x = 954,472,542.10
  5. Step 5: Solve for x
    x = 954,472,542.10/34,915.45
  6. Step 6: Final answer
    x = 27,336.68

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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.