Home / 31,211.11-46,835.16-11,503.51

Finding the Fourth Proportional to 31,211.11, 46,835.16 and 11,503.51

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Solution

The fourth proportional to 31,211.11, 46,835.16 and 11,503.51 is: 17,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.11 : 46,835.16 = 11,503.51 : x
  2. Step 2: Convert to fraction form
    31,211.11/46,835.16 = 11,503.51/x
  3. Step 3: Cross multiply
    31,211.11x = 46,835.16 × 11,503.51
  4. Step 4: Simplify right side
    31,211.11x = 538,768,731.41
  5. Step 5: Solve for x
    x = 538,768,731.41/31,211.11
  6. Step 6: Final answer
    x = 17,262.08

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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.