Home / 57,888.78-86,834.97-19,937.64

Finding the Fourth Proportional to 57,888.78, 86,834.97 and 19,937.64

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Solution

The fourth proportional to 57,888.78, 86,834.97 and 19,937.64 is: 29,907.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,888.78 : 86,834.97 = 19,937.64 : x
  2. Step 2: Convert to fraction form
    57,888.78/86,834.97 = 19,937.64/x
  3. Step 3: Cross multiply
    57,888.78x = 86,834.97 × 19,937.64
  4. Step 4: Simplify right side
    57,888.78x = 1,731,284,371.27
  5. Step 5: Solve for x
    x = 1,731,284,371.27/57,888.78
  6. Step 6: Final answer
    x = 29,907.08

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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.