Home / 47,554.78-71,344-14,275.46

Finding the Fourth Proportional to 47,554.78, 71,344 and 14,275.46

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Solution

The fourth proportional to 47,554.78, 71,344 and 14,275.46 is: 21,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,554.78 : 71,344 = 14,275.46 : x
  2. Step 2: Convert to fraction form
    47,554.78/71,344 = 14,275.46/x
  3. Step 3: Cross multiply
    47,554.78x = 71,344 × 14,275.46
  4. Step 4: Simplify right side
    47,554.78x = 1,018,468,418.24
  5. Step 5: Solve for x
    x = 1,018,468,418.24/47,554.78
  6. Step 6: Final answer
    x = 21,416.74

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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.