Home / 52,791.02-72,852.78-30,129.55

Finding the Fourth Proportional to 52,791.02, 72,852.78 and 30,129.55

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Solution

The fourth proportional to 52,791.02, 72,852.78 and 30,129.55 is: 41,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,791.02 : 72,852.78 = 30,129.55 : x
  2. Step 2: Convert to fraction form
    52,791.02/72,852.78 = 30,129.55/x
  3. Step 3: Cross multiply
    52,791.02x = 72,852.78 × 30,129.55
  4. Step 4: Simplify right side
    52,791.02x = 2,195,021,584.46
  5. Step 5: Solve for x
    x = 2,195,021,584.46/52,791.02
  6. Step 6: Final answer
    x = 41,579.45

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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.