Home / 56,257.44-77,634.48-31,106.40

Finding the Fourth Proportional to 56,257.44, 77,634.48 and 31,106.40

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Solution

The fourth proportional to 56,257.44, 77,634.48 and 31,106.40 is: 42,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,257.44 : 77,634.48 = 31,106.40 : x
  2. Step 2: Convert to fraction form
    56,257.44/77,634.48 = 31,106.40/x
  3. Step 3: Cross multiply
    56,257.44x = 77,634.48 × 31,106.40
  4. Step 4: Simplify right side
    56,257.44x = 2,414,929,188.67
  5. Step 5: Solve for x
    x = 2,414,929,188.67/56,257.44
  6. Step 6: Final answer
    x = 42,926.40

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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.