Home / 47,749.47-71,655.31-18,167.57

Finding the Fourth Proportional to 47,749.47, 71,655.31 and 18,167.57

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Solution

The fourth proportional to 47,749.47, 71,655.31 and 18,167.57 is: 27,263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,749.47 : 71,655.31 = 18,167.57 : x
  2. Step 2: Convert to fraction form
    47,749.47/71,655.31 = 18,167.57/x
  3. Step 3: Cross multiply
    47,749.47x = 71,655.31 × 18,167.57
  4. Step 4: Simplify right side
    47,749.47x = 1,301,802,860.30
  5. Step 5: Solve for x
    x = 1,301,802,860.30/47,749.47
  6. Step 6: Final answer
    x = 27,263.19

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1.5x scale

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.