Home / 31,429.90-47,160.21-14,791.59

Finding the Fourth Proportional to 31,429.90, 47,160.21 and 14,791.59

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Solution

The fourth proportional to 31,429.90, 47,160.21 and 14,791.59 is: 22,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,429.90 : 47,160.21 = 14,791.59 : x
  2. Step 2: Convert to fraction form
    31,429.90/47,160.21 = 14,791.59/x
  3. Step 3: Cross multiply
    31,429.90x = 47,160.21 × 14,791.59
  4. Step 4: Simplify right side
    31,429.90x = 697,574,490.63
  5. Step 5: Solve for x
    x = 697,574,490.63/31,429.90
  6. Step 6: Final answer
    x = 22,194.61

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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.