Home / 47,619.20-71,407.20-18,027.20

Finding the Fourth Proportional to 47,619.20, 71,407.20 and 18,027.20

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Solution

The fourth proportional to 47,619.20, 71,407.20 and 18,027.20 is: 27,032.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619.20 : 71,407.20 = 18,027.20 : x
  2. Step 2: Convert to fraction form
    47,619.20/71,407.20 = 18,027.20/x
  3. Step 3: Cross multiply
    47,619.20x = 71,407.20 × 18,027.20
  4. Step 4: Simplify right side
    47,619.20x = 1,287,271,875.84
  5. Step 5: Solve for x
    x = 1,287,271,875.84/47,619.20
  6. Step 6: Final answer
    x = 27,032.62

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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.