Home / 39,216.14-58,831.49-12,921.92

Finding the Fourth Proportional to 39,216.14, 58,831.49 and 12,921.92

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Solution

The fourth proportional to 39,216.14, 58,831.49 and 12,921.92 is: 19,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,216.14 : 58,831.49 = 12,921.92 : x
  2. Step 2: Convert to fraction form
    39,216.14/58,831.49 = 12,921.92/x
  3. Step 3: Cross multiply
    39,216.14x = 58,831.49 × 12,921.92
  4. Step 4: Simplify right side
    39,216.14x = 760,215,545.41
  5. Step 5: Solve for x
    x = 760,215,545.41/39,216.14
  6. Step 6: Final answer
    x = 19,385.27

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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.