Home / 39,216.26-58,831.68-12,922.04

Finding the Fourth Proportional to 39,216.26, 58,831.68 and 12,922.04

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Solution

The fourth proportional to 39,216.26, 58,831.68 and 12,922.04 is: 19,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,216.26 : 58,831.68 = 12,922.04 : x
  2. Step 2: Convert to fraction form
    39,216.26/58,831.68 = 12,922.04/x
  3. Step 3: Cross multiply
    39,216.26x = 58,831.68 × 12,922.04
  4. Step 4: Simplify right side
    39,216.26x = 760,225,322.23
  5. Step 5: Solve for x
    x = 760,225,322.23/39,216.26
  6. Step 6: Final answer
    x = 19,385.46

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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.