Home / 47,699.40-71,549.76-14,419.74

Finding the Fourth Proportional to 47,699.40, 71,549.76 and 14,419.74

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Solution

The fourth proportional to 47,699.40, 71,549.76 and 14,419.74 is: 21,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,699.40 : 71,549.76 = 14,419.74 : x
  2. Step 2: Convert to fraction form
    47,699.40/71,549.76 = 14,419.74/x
  3. Step 3: Cross multiply
    47,699.40x = 71,549.76 × 14,419.74
  4. Step 4: Simplify right side
    47,699.40x = 1,031,728,936.26
  5. Step 5: Solve for x
    x = 1,031,728,936.26/47,699.40
  6. Step 6: Final answer
    x = 21,629.81

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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.