Home / 34,183.95-47,161.31-21,437.68

Finding the Fourth Proportional to 34,183.95, 47,161.31 and 21,437.68

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Solution

The fourth proportional to 34,183.95, 47,161.31 and 21,437.68 is: 29,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,183.95 : 47,161.31 = 21,437.68 : x
  2. Step 2: Convert to fraction form
    34,183.95/47,161.31 = 21,437.68/x
  3. Step 3: Cross multiply
    34,183.95x = 47,161.31 × 21,437.68
  4. Step 4: Simplify right side
    34,183.95x = 1,011,028,729.17
  5. Step 5: Solve for x
    x = 1,011,028,729.17/34,183.95
  6. Step 6: Final answer
    x = 29,576.12

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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.