Home / 56,163.88-77,506.22-31,013.38

Finding the Fourth Proportional to 56,163.88, 77,506.22 and 31,013.38

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Solution

The fourth proportional to 56,163.88, 77,506.22 and 31,013.38 is: 42,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,163.88 : 77,506.22 = 31,013.38 : x
  2. Step 2: Convert to fraction form
    56,163.88/77,506.22 = 31,013.38/x
  3. Step 3: Cross multiply
    56,163.88x = 77,506.22 × 31,013.38
  4. Step 4: Simplify right side
    56,163.88x = 2,403,729,310.63
  5. Step 5: Solve for x
    x = 2,403,729,310.63/56,163.88
  6. Step 6: Final answer
    x = 42,798.49

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1.5x scale

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.