Home / 39,312.75-54,252.81-22,545.75

Finding the Fourth Proportional to 39,312.75, 54,252.81 and 22,545.75

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Solution

The fourth proportional to 39,312.75, 54,252.81 and 22,545.75 is: 31,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,312.75 : 54,252.81 = 22,545.75 : x
  2. Step 2: Convert to fraction form
    39,312.75/54,252.81 = 22,545.75/x
  3. Step 3: Cross multiply
    39,312.75x = 54,252.81 × 22,545.75
  4. Step 4: Simplify right side
    39,312.75x = 1,223,170,291.06
  5. Step 5: Solve for x
    x = 1,223,170,291.06/39,312.75
  6. Step 6: Final answer
    x = 31,113.83

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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.