Home / 34,709.40-52,064.10-13,947.80

Finding the Fourth Proportional to 34,709.40, 52,064.10 and 13,947.80

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Solution

The fourth proportional to 34,709.40, 52,064.10 and 13,947.80 is: 20,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,709.40 : 52,064.10 = 13,947.80 : x
  2. Step 2: Convert to fraction form
    34,709.40/52,064.10 = 13,947.80/x
  3. Step 3: Cross multiply
    34,709.40x = 52,064.10 × 13,947.80
  4. Step 4: Simplify right side
    34,709.40x = 726,179,653.98
  5. Step 5: Solve for x
    x = 726,179,653.98/34,709.40
  6. Step 6: Final answer
    x = 20,921.70

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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.