Home / 34,159.18-47,134.94-20,016.46

Finding the Fourth Proportional to 34,159.18, 47,134.94 and 20,016.46

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Solution

The fourth proportional to 34,159.18, 47,134.94 and 20,016.46 is: 27,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,159.18 : 47,134.94 = 20,016.46 : x
  2. Step 2: Convert to fraction form
    34,159.18/47,134.94 = 20,016.46/x
  3. Step 3: Cross multiply
    34,159.18x = 47,134.94 × 20,016.46
  4. Step 4: Simplify right side
    34,159.18x = 943,474,641.11
  5. Step 5: Solve for x
    x = 943,474,641.11/34,159.18
  6. Step 6: Final answer
    x = 27,619.94

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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.