Home / 47,274.54-70,886.72-13,990.02

Finding the Fourth Proportional to 47,274.54, 70,886.72 and 13,990.02

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Solution

The fourth proportional to 47,274.54, 70,886.72 and 13,990.02 is: 20,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274.54 : 70,886.72 = 13,990.02 : x
  2. Step 2: Convert to fraction form
    47,274.54/70,886.72 = 13,990.02/x
  3. Step 3: Cross multiply
    47,274.54x = 70,886.72 × 13,990.02
  4. Step 4: Simplify right side
    47,274.54x = 991,706,630.53
  5. Step 5: Solve for x
    x = 991,706,630.53/47,274.54
  6. Step 6: Final answer
    x = 20,977.61

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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.