Home / 55,772.02-76,966-30,278.62

Finding the Fourth Proportional to 55,772.02, 76,966 and 30,278.62

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Solution

The fourth proportional to 55,772.02, 76,966 and 30,278.62 is: 41,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,772.02 : 76,966 = 30,278.62 : x
  2. Step 2: Convert to fraction form
    55,772.02/76,966 = 30,278.62/x
  3. Step 3: Cross multiply
    55,772.02x = 76,966 × 30,278.62
  4. Step 4: Simplify right side
    55,772.02x = 2,330,424,266.92
  5. Step 5: Solve for x
    x = 2,330,424,266.92/55,772.02
  6. Step 6: Final answer
    x = 41,784.83

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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.