Home / 47,667.56-71,534.16-21,401.72

Finding the Fourth Proportional to 47,667.56, 71,534.16 and 21,401.72

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Solution

The fourth proportional to 47,667.56, 71,534.16 and 21,401.72 is: 32,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,667.56 : 71,534.16 = 21,401.72 : x
  2. Step 2: Convert to fraction form
    47,667.56/71,534.16 = 21,401.72/x
  3. Step 3: Cross multiply
    47,667.56x = 71,534.16 × 21,401.72
  4. Step 4: Simplify right side
    47,667.56x = 1,530,954,062.76
  5. Step 5: Solve for x
    x = 1,530,954,062.76/47,667.56
  6. Step 6: Final answer
    x = 32,117.32

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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.