Home / 39,667.50-54,737.64-22,668.36

Finding the Fourth Proportional to 39,667.50, 54,737.64 and 22,668.36

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Solution

The fourth proportional to 39,667.50, 54,737.64 and 22,668.36 is: 31,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,667.50 : 54,737.64 = 22,668.36 : x
  2. Step 2: Convert to fraction form
    39,667.50/54,737.64 = 22,668.36/x
  3. Step 3: Cross multiply
    39,667.50x = 54,737.64 × 22,668.36
  4. Step 4: Simplify right side
    39,667.50x = 1,240,812,529.07
  5. Step 5: Solve for x
    x = 1,240,812,529.07/39,667.50
  6. Step 6: Final answer
    x = 31,280.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.