Home / 57,386.11-86,093.04-19,940.75

Finding the Fourth Proportional to 57,386.11, 86,093.04 and 19,940.75

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Solution

The fourth proportional to 57,386.11, 86,093.04 and 19,940.75 is: 29,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,386.11 : 86,093.04 = 19,940.75 : x
  2. Step 2: Convert to fraction form
    57,386.11/86,093.04 = 19,940.75/x
  3. Step 3: Cross multiply
    57,386.11x = 86,093.04 × 19,940.75
  4. Step 4: Simplify right side
    57,386.11x = 1,716,759,787.38
  5. Step 5: Solve for x
    x = 1,716,759,787.38/57,386.11
  6. Step 6: Final answer
    x = 29,915.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.