Home / 61,313.55-91,920.16-31,739.82

Finding the Fourth Proportional to 61,313.55, 91,920.16 and 31,739.82

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Solution

The fourth proportional to 61,313.55, 91,920.16 and 31,739.82 is: 47,583.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,313.55 : 91,920.16 = 31,739.82 : x
  2. Step 2: Convert to fraction form
    61,313.55/91,920.16 = 31,739.82/x
  3. Step 3: Cross multiply
    61,313.55x = 91,920.16 × 31,739.82
  4. Step 4: Simplify right side
    61,313.55x = 2,917,529,332.77
  5. Step 5: Solve for x
    x = 2,917,529,332.77/61,313.55
  6. Step 6: Final answer
    x = 47,583.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.