Home / 47,222.35-70,841.21-13,945.77

Finding the Fourth Proportional to 47,222.35, 70,841.21 and 13,945.77

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Solution

The fourth proportional to 47,222.35, 70,841.21 and 13,945.77 is: 20,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,222.35 : 70,841.21 = 13,945.77 : x
  2. Step 2: Convert to fraction form
    47,222.35/70,841.21 = 13,945.77/x
  3. Step 3: Cross multiply
    47,222.35x = 70,841.21 × 13,945.77
  4. Step 4: Simplify right side
    47,222.35x = 987,935,221.18
  5. Step 5: Solve for x
    x = 987,935,221.18/47,222.35
  6. Step 6: Final answer
    x = 20,920.92

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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.