Home / 39,667.09-59,497.85-18,611.75

Finding the Fourth Proportional to 39,667.09, 59,497.85 and 18,611.75

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Solution

The fourth proportional to 39,667.09, 59,497.85 and 18,611.75 is: 27,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,667.09 : 59,497.85 = 18,611.75 : x
  2. Step 2: Convert to fraction form
    39,667.09/59,497.85 = 18,611.75/x
  3. Step 3: Cross multiply
    39,667.09x = 59,497.85 × 18,611.75
  4. Step 4: Simplify right side
    39,667.09x = 1,107,359,109.74
  5. Step 5: Solve for x
    x = 1,107,359,109.74/39,667.09
  6. Step 6: Final answer
    x = 27,916.32

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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.