Home / 56,418.48-77,853.96-31,266

Finding the Fourth Proportional to 56,418.48, 77,853.96 and 31,266

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Solution

The fourth proportional to 56,418.48, 77,853.96 and 31,266 is: 43,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,418.48 : 77,853.96 = 31,266 : x
  2. Step 2: Convert to fraction form
    56,418.48/77,853.96 = 31,266/x
  3. Step 3: Cross multiply
    56,418.48x = 77,853.96 × 31,266
  4. Step 4: Simplify right side
    56,418.48x = 2,434,181,913.36
  5. Step 5: Solve for x
    x = 2,434,181,913.36/56,418.48
  6. Step 6: Final answer
    x = 43,145.12

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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.