Home / 47,027.18-70,559.13-20,713.47

Finding the Fourth Proportional to 47,027.18, 70,559.13 and 20,713.47

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Solution

The fourth proportional to 47,027.18, 70,559.13 and 20,713.47 is: 31,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,027.18 : 70,559.13 = 20,713.47 : x
  2. Step 2: Convert to fraction form
    47,027.18/70,559.13 = 20,713.47/x
  3. Step 3: Cross multiply
    47,027.18x = 70,559.13 × 20,713.47
  4. Step 4: Simplify right side
    47,027.18x = 1,461,524,318.91
  5. Step 5: Solve for x
    x = 1,461,524,318.91/47,027.18
  6. Step 6: Final answer
    x = 31,078.29

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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.