Home / 56,717.20-78,270.06-31,226.14

Finding the Fourth Proportional to 56,717.20, 78,270.06 and 31,226.14

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Solution

The fourth proportional to 56,717.20, 78,270.06 and 31,226.14 is: 43,092.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,717.20 : 78,270.06 = 31,226.14 : x
  2. Step 2: Convert to fraction form
    56,717.20/78,270.06 = 31,226.14/x
  3. Step 3: Cross multiply
    56,717.20x = 78,270.06 × 31,226.14
  4. Step 4: Simplify right side
    56,717.20x = 2,444,071,851.37
  5. Step 5: Solve for x
    x = 2,444,071,851.37/56,717.20
  6. Step 6: Final answer
    x = 43,092.25

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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.