Home / 45,727.80-68,562.10-19,425.40

Finding the Fourth Proportional to 45,727.80, 68,562.10 and 19,425.40

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Solution

The fourth proportional to 45,727.80, 68,562.10 and 19,425.40 is: 29,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,727.80 : 68,562.10 = 19,425.40 : x
  2. Step 2: Convert to fraction form
    45,727.80/68,562.10 = 19,425.40/x
  3. Step 3: Cross multiply
    45,727.80x = 68,562.10 × 19,425.40
  4. Step 4: Simplify right side
    45,727.80x = 1,331,846,217.34
  5. Step 5: Solve for x
    x = 1,331,846,217.34/45,727.80
  6. Step 6: Final answer
    x = 29,125.53

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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.