Home / 56,349-77,764.05-31,198.50

Finding the Fourth Proportional to 56,349, 77,764.05 and 31,198.50

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Solution

The fourth proportional to 56,349, 77,764.05 and 31,198.50 is: 43,055.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,349 : 77,764.05 = 31,198.50 : x
  2. Step 2: Convert to fraction form
    56,349/77,764.05 = 31,198.50/x
  3. Step 3: Cross multiply
    56,349x = 77,764.05 × 31,198.50
  4. Step 4: Simplify right side
    56,349x = 2,426,121,713.93
  5. Step 5: Solve for x
    x = 2,426,121,713.93/56,349
  6. Step 6: Final answer
    x = 43,055.28

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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.