Home / 36,831.91-50,828.39-20,916.47

Finding the Fourth Proportional to 36,831.91, 50,828.39 and 20,916.47

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Solution

The fourth proportional to 36,831.91, 50,828.39 and 20,916.47 is: 28,864.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,831.91 : 50,828.39 = 20,916.47 : x
  2. Step 2: Convert to fraction form
    36,831.91/50,828.39 = 20,916.47/x
  3. Step 3: Cross multiply
    36,831.91x = 50,828.39 × 20,916.47
  4. Step 4: Simplify right side
    36,831.91x = 1,063,150,740.52
  5. Step 5: Solve for x
    x = 1,063,150,740.52/36,831.91
  6. Step 6: Final answer
    x = 28,864.94

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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.