Home / 39,857.50-54,998.53-22,860.87

Finding the Fourth Proportional to 39,857.50, 54,998.53 and 22,860.87

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Solution

The fourth proportional to 39,857.50, 54,998.53 and 22,860.87 is: 31,545.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,857.50 : 54,998.53 = 22,860.87 : x
  2. Step 2: Convert to fraction form
    39,857.50/54,998.53 = 22,860.87/x
  3. Step 3: Cross multiply
    39,857.50x = 54,998.53 × 22,860.87
  4. Step 4: Simplify right side
    39,857.50x = 1,257,314,244.52
  5. Step 5: Solve for x
    x = 1,257,314,244.52/39,857.50
  6. Step 6: Final answer
    x = 31,545.24

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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.