Home / 56,198.08-77,552.80-31,047.04

Finding the Fourth Proportional to 56,198.08, 77,552.80 and 31,047.04

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Solution

The fourth proportional to 56,198.08, 77,552.80 and 31,047.04 is: 42,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,198.08 : 77,552.80 = 31,047.04 : x
  2. Step 2: Convert to fraction form
    56,198.08/77,552.80 = 31,047.04/x
  3. Step 3: Cross multiply
    56,198.08x = 77,552.80 × 31,047.04
  4. Step 4: Simplify right side
    56,198.08x = 2,407,784,883.71
  5. Step 5: Solve for x
    x = 2,407,784,883.71/56,198.08
  6. Step 6: Final answer
    x = 42,844.61

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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.