Home / 47,862.47-71,817.92-19,802.66

Finding the Fourth Proportional to 47,862.47, 71,817.92 and 19,802.66

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Solution

The fourth proportional to 47,862.47, 71,817.92 and 19,802.66 is: 29,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,862.47 : 71,817.92 = 19,802.66 : x
  2. Step 2: Convert to fraction form
    47,862.47/71,817.92 = 19,802.66/x
  3. Step 3: Cross multiply
    47,862.47x = 71,817.92 × 19,802.66
  4. Step 4: Simplify right side
    47,862.47x = 1,422,185,811.40
  5. Step 5: Solve for x
    x = 1,422,185,811.40/47,862.47
  6. Step 6: Final answer
    x = 29,714.01

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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.