Home / 30,956.45-46,428.50-15,154.67

Finding the Fourth Proportional to 30,956.45, 46,428.50 and 15,154.67

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Solution

The fourth proportional to 30,956.45, 46,428.50 and 15,154.67 is: 22,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,956.45 : 46,428.50 = 15,154.67 : x
  2. Step 2: Convert to fraction form
    30,956.45/46,428.50 = 15,154.67/x
  3. Step 3: Cross multiply
    30,956.45x = 46,428.50 × 15,154.67
  4. Step 4: Simplify right side
    30,956.45x = 703,608,288.18
  5. Step 5: Solve for x
    x = 703,608,288.18/30,956.45
  6. Step 6: Final answer
    x = 22,728.98

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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.