Home / 47,946.80-71,912.28-14,658.32

Finding the Fourth Proportional to 47,946.80, 71,912.28 and 14,658.32

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Solution

The fourth proportional to 47,946.80, 71,912.28 and 14,658.32 is: 21,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,946.80 : 71,912.28 = 14,658.32 : x
  2. Step 2: Convert to fraction form
    47,946.80/71,912.28 = 14,658.32/x
  3. Step 3: Cross multiply
    47,946.80x = 71,912.28 × 14,658.32
  4. Step 4: Simplify right side
    47,946.80x = 1,054,113,212.17
  5. Step 5: Solve for x
    x = 1,054,113,212.17/47,946.80
  6. Step 6: Final answer
    x = 21,985.06

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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.