Home / 45,623.28-68,436.78-15,658.12

Finding the Fourth Proportional to 45,623.28, 68,436.78 and 15,658.12

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Solution

The fourth proportional to 45,623.28, 68,436.78 and 15,658.12 is: 23,487.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,623.28 : 68,436.78 = 15,658.12 : x
  2. Step 2: Convert to fraction form
    45,623.28/68,436.78 = 15,658.12/x
  3. Step 3: Cross multiply
    45,623.28x = 68,436.78 × 15,658.12
  4. Step 4: Simplify right side
    45,623.28x = 1,071,591,313.65
  5. Step 5: Solve for x
    x = 1,071,591,313.65/45,623.28
  6. Step 6: Final answer
    x = 23,487.82

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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.