Home / 30,154.12-41,585.45-18,824.67

Finding the Fourth Proportional to 30,154.12, 41,585.45 and 18,824.67

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Solution

The fourth proportional to 30,154.12, 41,585.45 and 18,824.67 is: 25,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.12 : 41,585.45 = 18,824.67 : x
  2. Step 2: Convert to fraction form
    30,154.12/41,585.45 = 18,824.67/x
  3. Step 3: Cross multiply
    30,154.12x = 41,585.45 × 18,824.67
  4. Step 4: Simplify right side
    30,154.12x = 782,832,165.12
  5. Step 5: Solve for x
    x = 782,832,165.12/30,154.12
  6. Step 6: Final answer
    x = 25,961.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.