Home / 52,764.89-72,816.02-31,255.86

Finding the Fourth Proportional to 52,764.89, 72,816.02 and 31,255.86

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Solution

The fourth proportional to 52,764.89, 72,816.02 and 31,255.86 is: 43,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,764.89 : 72,816.02 = 31,255.86 : x
  2. Step 2: Convert to fraction form
    52,764.89/72,816.02 = 31,255.86/x
  3. Step 3: Cross multiply
    52,764.89x = 72,816.02 × 31,255.86
  4. Step 4: Simplify right side
    52,764.89x = 2,275,927,502.26
  5. Step 5: Solve for x
    x = 2,275,927,502.26/52,764.89
  6. Step 6: Final answer
    x = 43,133.37

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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.