Home / 38,571.80-57,862.32-13,606.68

Finding the Fourth Proportional to 38,571.80, 57,862.32 and 13,606.68

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Solution

The fourth proportional to 38,571.80, 57,862.32 and 13,606.68 is: 20,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,571.80 : 57,862.32 = 13,606.68 : x
  2. Step 2: Convert to fraction form
    38,571.80/57,862.32 = 13,606.68/x
  3. Step 3: Cross multiply
    38,571.80x = 57,862.32 × 13,606.68
  4. Step 4: Simplify right side
    38,571.80x = 787,314,238.26
  5. Step 5: Solve for x
    x = 787,314,238.26/38,571.80
  6. Step 6: Final answer
    x = 20,411.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.