Home / 39,548.75-59,337.71-20,828.03

Finding the Fourth Proportional to 39,548.75, 59,337.71 and 20,828.03

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Solution

The fourth proportional to 39,548.75, 59,337.71 and 20,828.03 is: 31,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,548.75 : 59,337.71 = 20,828.03 : x
  2. Step 2: Convert to fraction form
    39,548.75/59,337.71 = 20,828.03/x
  3. Step 3: Cross multiply
    39,548.75x = 59,337.71 × 20,828.03
  4. Step 4: Simplify right side
    39,548.75x = 1,235,887,499.87
  5. Step 5: Solve for x
    x = 1,235,887,499.87/39,548.75
  6. Step 6: Final answer
    x = 31,249.72

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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.