Home / 30,580.38-45,912.69-15,799.50

Finding the Fourth Proportional to 30,580.38, 45,912.69 and 15,799.50

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Solution

The fourth proportional to 30,580.38, 45,912.69 and 15,799.50 is: 23,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,580.38 : 45,912.69 = 15,799.50 : x
  2. Step 2: Convert to fraction form
    30,580.38/45,912.69 = 15,799.50/x
  3. Step 3: Cross multiply
    30,580.38x = 45,912.69 × 15,799.50
  4. Step 4: Simplify right side
    30,580.38x = 725,397,545.66
  5. Step 5: Solve for x
    x = 725,397,545.66/30,580.38
  6. Step 6: Final answer
    x = 23,721.01

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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.