Home / 55,712.02-76,877.77-32,739.41

Finding the Fourth Proportional to 55,712.02, 76,877.77 and 32,739.41

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Solution

The fourth proportional to 55,712.02, 76,877.77 and 32,739.41 is: 45,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,712.02 : 76,877.77 = 32,739.41 : x
  2. Step 2: Convert to fraction form
    55,712.02/76,877.77 = 32,739.41/x
  3. Step 3: Cross multiply
    55,712.02x = 76,877.77 × 32,739.41
  4. Step 4: Simplify right side
    55,712.02x = 2,516,932,831.92
  5. Step 5: Solve for x
    x = 2,516,932,831.92/55,712.02
  6. Step 6: Final answer
    x = 45,177.55

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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.