Home / 47,720.24-71,588.74-18,140.66

Finding the Fourth Proportional to 47,720.24, 71,588.74 and 18,140.66

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Solution

The fourth proportional to 47,720.24, 71,588.74 and 18,140.66 is: 27,214.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,720.24 : 71,588.74 = 18,140.66 : x
  2. Step 2: Convert to fraction form
    47,720.24/71,588.74 = 18,140.66/x
  3. Step 3: Cross multiply
    47,720.24x = 71,588.74 × 18,140.66
  4. Step 4: Simplify right side
    47,720.24x = 1,298,666,992.17
  5. Step 5: Solve for x
    x = 1,298,666,992.17/47,720.24
  6. Step 6: Final answer
    x = 27,214.18

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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.