Home / 47,812.08-71,720.34-14,536.92

Finding the Fourth Proportional to 47,812.08, 71,720.34 and 14,536.92

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Solution

The fourth proportional to 47,812.08, 71,720.34 and 14,536.92 is: 21,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,812.08 : 71,720.34 = 14,536.92 : x
  2. Step 2: Convert to fraction form
    47,812.08/71,720.34 = 14,536.92/x
  3. Step 3: Cross multiply
    47,812.08x = 71,720.34 × 14,536.92
  4. Step 4: Simplify right side
    47,812.08x = 1,042,592,844.95
  5. Step 5: Solve for x
    x = 1,042,592,844.95/47,812.08
  6. Step 6: Final answer
    x = 21,806.05

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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.