Home / 31,403.58-47,105.35-14,751.39

Finding the Fourth Proportional to 31,403.58, 47,105.35 and 14,751.39

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Solution

The fourth proportional to 31,403.58, 47,105.35 and 14,751.39 is: 22,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.58 : 47,105.35 = 14,751.39 : x
  2. Step 2: Convert to fraction form
    31,403.58/47,105.35 = 14,751.39/x
  3. Step 3: Cross multiply
    31,403.58x = 47,105.35 × 14,751.39
  4. Step 4: Simplify right side
    31,403.58x = 694,869,388.94
  5. Step 5: Solve for x
    x = 694,869,388.94/31,403.58
  6. Step 6: Final answer
    x = 22,127.08

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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.