Home / 31,403.07-47,104.60-14,750.89

Finding the Fourth Proportional to 31,403.07, 47,104.60 and 14,750.89

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Solution

The fourth proportional to 31,403.07, 47,104.60 and 14,750.89 is: 22,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.07 : 47,104.60 = 14,750.89 : x
  2. Step 2: Convert to fraction form
    31,403.07/47,104.60 = 14,750.89/x
  3. Step 3: Cross multiply
    31,403.07x = 47,104.60 × 14,750.89
  4. Step 4: Simplify right side
    31,403.07x = 694,834,773.09
  5. Step 5: Solve for x
    x = 694,834,773.09/31,403.07
  6. Step 6: Final answer
    x = 22,126.33

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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.