Home / 47,982.61-71,971.32-14,702.78

Finding the Fourth Proportional to 47,982.61, 71,971.32 and 14,702.78

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Solution

The fourth proportional to 47,982.61, 71,971.32 and 14,702.78 is: 22,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,982.61 : 71,971.32 = 14,702.78 : x
  2. Step 2: Convert to fraction form
    47,982.61/71,971.32 = 14,702.78/x
  3. Step 3: Cross multiply
    47,982.61x = 71,971.32 × 14,702.78
  4. Step 4: Simplify right side
    47,982.61x = 1,058,178,314.49
  5. Step 5: Solve for x
    x = 1,058,178,314.49/47,982.61
  6. Step 6: Final answer
    x = 22,053.37

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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.