Home / 47,772.30-71,659.16-18,191.77

Finding the Fourth Proportional to 47,772.30, 71,659.16 and 18,191.77

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Solution

The fourth proportional to 47,772.30, 71,659.16 and 18,191.77 is: 27,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,772.30 : 71,659.16 = 18,191.77 : x
  2. Step 2: Convert to fraction form
    47,772.30/71,659.16 = 18,191.77/x
  3. Step 3: Cross multiply
    47,772.30x = 71,659.16 × 18,191.77
  4. Step 4: Simplify right side
    47,772.30x = 1,303,606,957.11
  5. Step 5: Solve for x
    x = 1,303,606,957.11/47,772.30
  6. Step 6: Final answer
    x = 27,287.93

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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.