Home / 45,289.14-67,956.21-30,306.12

Finding the Fourth Proportional to 45,289.14, 67,956.21 and 30,306.12

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Solution

The fourth proportional to 45,289.14, 67,956.21 and 30,306.12 is: 45,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,289.14 : 67,956.21 = 30,306.12 : x
  2. Step 2: Convert to fraction form
    45,289.14/67,956.21 = 30,306.12/x
  3. Step 3: Cross multiply
    45,289.14x = 67,956.21 × 30,306.12
  4. Step 4: Simplify right side
    45,289.14x = 2,059,489,055.01
  5. Step 5: Solve for x
    x = 2,059,489,055.01/45,289.14
  6. Step 6: Final answer
    x = 45,474.24

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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.