Home / 56,617.93-78,133.71-31,125.37

Finding the Fourth Proportional to 56,617.93, 78,133.71 and 31,125.37

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Solution

The fourth proportional to 56,617.93, 78,133.71 and 31,125.37 is: 42,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,617.93 : 78,133.71 = 31,125.37 : x
  2. Step 2: Convert to fraction form
    56,617.93/78,133.71 = 31,125.37/x
  3. Step 3: Cross multiply
    56,617.93x = 78,133.71 × 31,125.37
  4. Step 4: Simplify right side
    56,617.93x = 2,431,940,633.22
  5. Step 5: Solve for x
    x = 2,431,940,633.22/56,617.93
  6. Step 6: Final answer
    x = 42,953.54

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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.