Home / 47,212.58-70,797.67-13,920.95

Finding the Fourth Proportional to 47,212.58, 70,797.67 and 13,920.95

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Solution

The fourth proportional to 47,212.58, 70,797.67 and 13,920.95 is: 20,875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,212.58 : 70,797.67 = 13,920.95 : x
  2. Step 2: Convert to fraction form
    47,212.58/70,797.67 = 13,920.95/x
  3. Step 3: Cross multiply
    47,212.58x = 70,797.67 × 13,920.95
  4. Step 4: Simplify right side
    47,212.58x = 985,570,824.19
  5. Step 5: Solve for x
    x = 985,570,824.19/47,212.58
  6. Step 6: Final answer
    x = 20,875.17

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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.