Home / 39,191.52-58,790.28-11,111.12

Finding the Fourth Proportional to 39,191.52, 58,790.28 and 11,111.12

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Solution

The fourth proportional to 39,191.52, 58,790.28 and 11,111.12 is: 16,667.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,191.52 : 58,790.28 = 11,111.12 : x
  2. Step 2: Convert to fraction form
    39,191.52/58,790.28 = 11,111.12/x
  3. Step 3: Cross multiply
    39,191.52x = 58,790.28 × 11,111.12
  4. Step 4: Simplify right side
    39,191.52x = 653,225,855.91
  5. Step 5: Solve for x
    x = 653,225,855.91/39,191.52
  6. Step 6: Final answer
    x = 16,667.53

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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.