Home / 47,719.80-71,580.51-14,440.28

Finding the Fourth Proportional to 47,719.80, 71,580.51 and 14,440.28

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Solution

The fourth proportional to 47,719.80, 71,580.51 and 14,440.28 is: 21,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,719.80 : 71,580.51 = 14,440.28 : x
  2. Step 2: Convert to fraction form
    47,719.80/71,580.51 = 14,440.28/x
  3. Step 3: Cross multiply
    47,719.80x = 71,580.51 × 14,440.28
  4. Step 4: Simplify right side
    47,719.80x = 1,033,642,249.04
  5. Step 5: Solve for x
    x = 1,033,642,249.04/47,719.80
  6. Step 6: Final answer
    x = 21,660.66

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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.