Home / 47,211.54-70,817.22-13,954.92

Finding the Fourth Proportional to 47,211.54, 70,817.22 and 13,954.92

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Solution

The fourth proportional to 47,211.54, 70,817.22 and 13,954.92 is: 20,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211.54 : 70,817.22 = 13,954.92 : x
  2. Step 2: Convert to fraction form
    47,211.54/70,817.22 = 13,954.92/x
  3. Step 3: Cross multiply
    47,211.54x = 70,817.22 × 13,954.92
  4. Step 4: Simplify right side
    47,211.54x = 988,248,639.72
  5. Step 5: Solve for x
    x = 988,248,639.72/47,211.54
  6. Step 6: Final answer
    x = 20,932.35

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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.