Home / 30,204.45-45,257.18-15,392.97

Finding the Fourth Proportional to 30,204.45, 45,257.18 and 15,392.97

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Solution

The fourth proportional to 30,204.45, 45,257.18 and 15,392.97 is: 23,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,204.45 : 45,257.18 = 15,392.97 : x
  2. Step 2: Convert to fraction form
    30,204.45/45,257.18 = 15,392.97/x
  3. Step 3: Cross multiply
    30,204.45x = 45,257.18 × 15,392.97
  4. Step 4: Simplify right side
    30,204.45x = 696,642,337.06
  5. Step 5: Solve for x
    x = 696,642,337.06/30,204.45
  6. Step 6: Final answer
    x = 23,064.23

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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.