Home / 39,862.65-55,012.83-22,866.77

Finding the Fourth Proportional to 39,862.65, 55,012.83 and 22,866.77

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Solution

The fourth proportional to 39,862.65, 55,012.83 and 22,866.77 is: 31,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,862.65 : 55,012.83 = 22,866.77 : x
  2. Step 2: Convert to fraction form
    39,862.65/55,012.83 = 22,866.77/x
  3. Step 3: Cross multiply
    39,862.65x = 55,012.83 × 22,866.77
  4. Step 4: Simplify right side
    39,862.65x = 1,257,965,782.44
  5. Step 5: Solve for x
    x = 1,257,965,782.44/39,862.65
  6. Step 6: Final answer
    x = 31,557.50

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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.