Home / 56,222.82-77,590.67-30,731.54

Finding the Fourth Proportional to 56,222.82, 77,590.67 and 30,731.54

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Solution

The fourth proportional to 56,222.82, 77,590.67 and 30,731.54 is: 42,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,222.82 : 77,590.67 = 30,731.54 : x
  2. Step 2: Convert to fraction form
    56,222.82/77,590.67 = 30,731.54/x
  3. Step 3: Cross multiply
    56,222.82x = 77,590.67 × 30,731.54
  4. Step 4: Simplify right side
    56,222.82x = 2,384,480,237.12
  5. Step 5: Solve for x
    x = 2,384,480,237.12/56,222.82
  6. Step 6: Final answer
    x = 42,411.25

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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.