Home / 47,479.34-71,192.73-19,419.10

Finding the Fourth Proportional to 47,479.34, 71,192.73 and 19,419.10

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Solution

The fourth proportional to 47,479.34, 71,192.73 and 19,419.10 is: 29,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,479.34 : 71,192.73 = 19,419.10 : x
  2. Step 2: Convert to fraction form
    47,479.34/71,192.73 = 19,419.10/x
  3. Step 3: Cross multiply
    47,479.34x = 71,192.73 × 19,419.10
  4. Step 4: Simplify right side
    47,479.34x = 1,382,498,637.98
  5. Step 5: Solve for x
    x = 1,382,498,637.98/47,479.34
  6. Step 6: Final answer
    x = 29,117.90

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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.