Home / 37,831.60-56,782.38-19,124.80

Finding the Fourth Proportional to 37,831.60, 56,782.38 and 19,124.80

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Solution

The fourth proportional to 37,831.60, 56,782.38 and 19,124.80 is: 28,704.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,831.60 : 56,782.38 = 19,124.80 : x
  2. Step 2: Convert to fraction form
    37,831.60/56,782.38 = 19,124.80/x
  3. Step 3: Cross multiply
    37,831.60x = 56,782.38 × 19,124.80
  4. Step 4: Simplify right side
    37,831.60x = 1,085,951,661.02
  5. Step 5: Solve for x
    x = 1,085,951,661.02/37,831.60
  6. Step 6: Final answer
    x = 28,704.88

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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.