Home / 47,838.64-71,760.54-14,559.76

Finding the Fourth Proportional to 47,838.64, 71,760.54 and 14,559.76

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Solution

The fourth proportional to 47,838.64, 71,760.54 and 14,559.76 is: 21,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,838.64 : 71,760.54 = 14,559.76 : x
  2. Step 2: Convert to fraction form
    47,838.64/71,760.54 = 14,559.76/x
  3. Step 3: Cross multiply
    47,838.64x = 71,760.54 × 14,559.76
  4. Step 4: Simplify right side
    47,838.64x = 1,044,816,239.87
  5. Step 5: Solve for x
    x = 1,044,816,239.87/47,838.64
  6. Step 6: Final answer
    x = 21,840.43

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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.