Home / 31,376.85-47,033.69-13,843.59

Finding the Fourth Proportional to 31,376.85, 47,033.69 and 13,843.59

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Solution

The fourth proportional to 31,376.85, 47,033.69 and 13,843.59 is: 20,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,376.85 : 47,033.69 = 13,843.59 : x
  2. Step 2: Convert to fraction form
    31,376.85/47,033.69 = 13,843.59/x
  3. Step 3: Cross multiply
    31,376.85x = 47,033.69 × 13,843.59
  4. Step 4: Simplify right side
    31,376.85x = 651,115,051.33
  5. Step 5: Solve for x
    x = 651,115,051.33/31,376.85
  6. Step 6: Final answer
    x = 20,751.45

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1.5x scale

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.