Home / 39,862.71-55,012.91-22,866.84

Finding the Fourth Proportional to 39,862.71, 55,012.91 and 22,866.84

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Solution

The fourth proportional to 39,862.71, 55,012.91 and 22,866.84 is: 31,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,862.71 : 55,012.91 = 22,866.84 : x
  2. Step 2: Convert to fraction form
    39,862.71/55,012.91 = 22,866.84/x
  3. Step 3: Cross multiply
    39,862.71x = 55,012.91 × 22,866.84
  4. Step 4: Simplify right side
    39,862.71x = 1,257,971,410.90
  5. Step 5: Solve for x
    x = 1,257,971,410.90/39,862.71
  6. Step 6: Final answer
    x = 31,557.60

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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.