Home / 30,133.19-45,200.06-7,949.72

Finding the Fourth Proportional to 30,133.19, 45,200.06 and 7,949.72

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Solution

The fourth proportional to 30,133.19, 45,200.06 and 7,949.72 is: 11,924.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,133.19 : 45,200.06 = 7,949.72 : x
  2. Step 2: Convert to fraction form
    30,133.19/45,200.06 = 7,949.72/x
  3. Step 3: Cross multiply
    30,133.19x = 45,200.06 × 7,949.72
  4. Step 4: Simplify right side
    30,133.19x = 359,327,820.98
  5. Step 5: Solve for x
    x = 359,327,820.98/30,133.19
  6. Step 6: Final answer
    x = 11,924.65

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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.