Home / 31,403.08-47,104.61-14,750.89

Finding the Fourth Proportional to 31,403.08, 47,104.61 and 14,750.89

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Solution

The fourth proportional to 31,403.08, 47,104.61 and 14,750.89 is: 22,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.08 : 47,104.61 = 14,750.89 : x
  2. Step 2: Convert to fraction form
    31,403.08/47,104.61 = 14,750.89/x
  3. Step 3: Cross multiply
    31,403.08x = 47,104.61 × 14,750.89
  4. Step 4: Simplify right side
    31,403.08x = 694,834,611.33
  5. Step 5: Solve for x
    x = 694,834,611.33/31,403.08
  6. Step 6: Final answer
    x = 22,126.32

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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.