Home / 56,843.02-85,289.10-30,517

Finding the Fourth Proportional to 56,843.02, 85,289.10 and 30,517

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Solution

The fourth proportional to 56,843.02, 85,289.10 and 30,517 is: 45,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,843.02 : 85,289.10 = 30,517 : x
  2. Step 2: Convert to fraction form
    56,843.02/85,289.10 = 30,517/x
  3. Step 3: Cross multiply
    56,843.02x = 85,289.10 × 30,517
  4. Step 4: Simplify right side
    56,843.02x = 2,602,767,464.70
  5. Step 5: Solve for x
    x = 2,602,767,464.70/56,843.02
  6. Step 6: Final answer
    x = 45,788.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.