Home / 47,212.12-70,845.54-17,628.85

Finding the Fourth Proportional to 47,212.12, 70,845.54 and 17,628.85

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Solution

The fourth proportional to 47,212.12, 70,845.54 and 17,628.85 is: 26,453.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,212.12 : 70,845.54 = 17,628.85 : x
  2. Step 2: Convert to fraction form
    47,212.12/70,845.54 = 17,628.85/x
  3. Step 3: Cross multiply
    47,212.12x = 70,845.54 × 17,628.85
  4. Step 4: Simplify right side
    47,212.12x = 1,248,925,397.83
  5. Step 5: Solve for x
    x = 1,248,925,397.83/47,212.12
  6. Step 6: Final answer
    x = 26,453.49

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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.