Home / 47,990.40-71,999.43-14,715.37

Finding the Fourth Proportional to 47,990.40, 71,999.43 and 14,715.37

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Solution

The fourth proportional to 47,990.40, 71,999.43 and 14,715.37 is: 22,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990.40 : 71,999.43 = 14,715.37 : x
  2. Step 2: Convert to fraction form
    47,990.40/71,999.43 = 14,715.37/x
  3. Step 3: Cross multiply
    47,990.40x = 71,999.43 × 14,715.37
  4. Step 4: Simplify right side
    47,990.40x = 1,059,497,818.67
  5. Step 5: Solve for x
    x = 1,059,497,818.67/47,990.40
  6. Step 6: Final answer
    x = 22,077.29

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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.