Home / 53,887.07-80,831.12-18,826.83

Finding the Fourth Proportional to 53,887.07, 80,831.12 and 18,826.83

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Solution

The fourth proportional to 53,887.07, 80,831.12 and 18,826.83 is: 28,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,887.07 : 80,831.12 = 18,826.83 : x
  2. Step 2: Convert to fraction form
    53,887.07/80,831.12 = 18,826.83/x
  3. Step 3: Cross multiply
    53,887.07x = 80,831.12 × 18,826.83
  4. Step 4: Simplify right side
    53,887.07x = 1,521,793,660.82
  5. Step 5: Solve for x
    x = 1,521,793,660.82/53,887.07
  6. Step 6: Final answer
    x = 28,240.42

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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.