Home / 47,612.84-71,419.76-19,513.31

Finding the Fourth Proportional to 47,612.84, 71,419.76 and 19,513.31

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Solution

The fourth proportional to 47,612.84, 71,419.76 and 19,513.31 is: 29,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,612.84 : 71,419.76 = 19,513.31 : x
  2. Step 2: Convert to fraction form
    47,612.84/71,419.76 = 19,513.31/x
  3. Step 3: Cross multiply
    47,612.84x = 71,419.76 × 19,513.31
  4. Step 4: Simplify right side
    47,612.84x = 1,393,635,462.34
  5. Step 5: Solve for x
    x = 1,393,635,462.34/47,612.84
  6. Step 6: Final answer
    x = 29,270.16

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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.