Home / 55,719.60-76,893.69-30,569.10

Finding the Fourth Proportional to 55,719.60, 76,893.69 and 30,569.10

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Solution

The fourth proportional to 55,719.60, 76,893.69 and 30,569.10 is: 42,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,719.60 : 76,893.69 = 30,569.10 : x
  2. Step 2: Convert to fraction form
    55,719.60/76,893.69 = 30,569.10/x
  3. Step 3: Cross multiply
    55,719.60x = 76,893.69 × 30,569.10
  4. Step 4: Simplify right side
    55,719.60x = 2,350,570,898.98
  5. Step 5: Solve for x
    x = 2,350,570,898.98/55,719.60
  6. Step 6: Final answer
    x = 42,185.71

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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.