Home / 56,560.78-84,877.53-30,272.86

Finding the Fourth Proportional to 56,560.78, 84,877.53 and 30,272.86

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Solution

The fourth proportional to 56,560.78, 84,877.53 and 30,272.86 is: 45,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,560.78 : 84,877.53 = 30,272.86 : x
  2. Step 2: Convert to fraction form
    56,560.78/84,877.53 = 30,272.86/x
  3. Step 3: Cross multiply
    56,560.78x = 84,877.53 × 30,272.86
  4. Step 4: Simplify right side
    56,560.78x = 2,569,485,582.84
  5. Step 5: Solve for x
    x = 2,569,485,582.84/56,560.78
  6. Step 6: Final answer
    x = 45,428.75

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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.