Home / 31,281.82-46,928.85-13,751.59

Finding the Fourth Proportional to 31,281.82, 46,928.85 and 13,751.59

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Solution

The fourth proportional to 31,281.82, 46,928.85 and 13,751.59 is: 20,630.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.82 : 46,928.85 = 13,751.59 : x
  2. Step 2: Convert to fraction form
    31,281.82/46,928.85 = 13,751.59/x
  3. Step 3: Cross multiply
    31,281.82x = 46,928.85 × 13,751.59
  4. Step 4: Simplify right side
    31,281.82x = 645,346,304.37
  5. Step 5: Solve for x
    x = 645,346,304.37/31,281.82
  6. Step 6: Final answer
    x = 20,630.08

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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.