Home / 34,171.24-47,140.88-20,018.10

Finding the Fourth Proportional to 34,171.24, 47,140.88 and 20,018.10

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Solution

The fourth proportional to 34,171.24, 47,140.88 and 20,018.10 is: 27,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,171.24 : 47,140.88 = 20,018.10 : x
  2. Step 2: Convert to fraction form
    34,171.24/47,140.88 = 20,018.10/x
  3. Step 3: Cross multiply
    34,171.24x = 47,140.88 × 20,018.10
  4. Step 4: Simplify right side
    34,171.24x = 943,670,849.93
  5. Step 5: Solve for x
    x = 943,670,849.93/34,171.24
  6. Step 6: Final answer
    x = 27,615.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.