Home / 56,252.68-77,628.36-31,102

Finding the Fourth Proportional to 56,252.68, 77,628.36 and 31,102

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Solution

The fourth proportional to 56,252.68, 77,628.36 and 31,102 is: 42,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,252.68 : 77,628.36 = 31,102 : x
  2. Step 2: Convert to fraction form
    56,252.68/77,628.36 = 31,102/x
  3. Step 3: Cross multiply
    56,252.68x = 77,628.36 × 31,102
  4. Step 4: Simplify right side
    56,252.68x = 2,414,397,252.72
  5. Step 5: Solve for x
    x = 2,414,397,252.72/56,252.68
  6. Step 6: Final answer
    x = 42,920.57

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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.