Home / 56,429.76-77,881.14-32,564.64

Finding the Fourth Proportional to 56,429.76, 77,881.14 and 32,564.64

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Solution

The fourth proportional to 56,429.76, 77,881.14 and 32,564.64 is: 44,943.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,429.76 : 77,881.14 = 32,564.64 : x
  2. Step 2: Convert to fraction form
    56,429.76/77,881.14 = 32,564.64/x
  3. Step 3: Cross multiply
    56,429.76x = 77,881.14 × 32,564.64
  4. Step 4: Simplify right side
    56,429.76x = 2,536,171,286.89
  5. Step 5: Solve for x
    x = 2,536,171,286.89/56,429.76
  6. Step 6: Final answer
    x = 44,943.86

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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.