Home / 47,610.39-71,416.30-18,020.28

Finding the Fourth Proportional to 47,610.39, 71,416.30 and 18,020.28

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Solution

The fourth proportional to 47,610.39, 71,416.30 and 18,020.28 is: 27,030.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,610.39 : 71,416.30 = 18,020.28 : x
  2. Step 2: Convert to fraction form
    47,610.39/71,416.30 = 18,020.28/x
  3. Step 3: Cross multiply
    47,610.39x = 71,416.30 × 18,020.28
  4. Step 4: Simplify right side
    47,610.39x = 1,286,941,722.56
  5. Step 5: Solve for x
    x = 1,286,941,722.56/47,610.39
  6. Step 6: Final answer
    x = 27,030.69

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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.