Home / 30,351.51-45,497.70-13,715.73

Finding the Fourth Proportional to 30,351.51, 45,497.70 and 13,715.73

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Solution

The fourth proportional to 30,351.51, 45,497.70 and 13,715.73 is: 20,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,351.51 : 45,497.70 = 13,715.73 : x
  2. Step 2: Convert to fraction form
    30,351.51/45,497.70 = 13,715.73/x
  3. Step 3: Cross multiply
    30,351.51x = 45,497.70 × 13,715.73
  4. Step 4: Simplify right side
    30,351.51x = 624,034,168.82
  5. Step 5: Solve for x
    x = 624,034,168.82/30,351.51
  6. Step 6: Final answer
    x = 20,560.23

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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.