Home / 38,727.02-57,828.21-30,739.93

Finding the Fourth Proportional to 38,727.02, 57,828.21 and 30,739.93

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Solution

The fourth proportional to 38,727.02, 57,828.21 and 30,739.93 is: 45,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,727.02 : 57,828.21 = 30,739.93 : x
  2. Step 2: Convert to fraction form
    38,727.02/57,828.21 = 30,739.93/x
  3. Step 3: Cross multiply
    38,727.02x = 57,828.21 × 30,739.93
  4. Step 4: Simplify right side
    38,727.02x = 1,777,635,127.43
  5. Step 5: Solve for x
    x = 1,777,635,127.43/38,727.02
  6. Step 6: Final answer
    x = 45,901.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.