Home / 30,154.21-41,585.57-18,824.75

Finding the Fourth Proportional to 30,154.21, 41,585.57 and 18,824.75

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Solution

The fourth proportional to 30,154.21, 41,585.57 and 18,824.75 is: 25,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.21 : 41,585.57 = 18,824.75 : x
  2. Step 2: Convert to fraction form
    30,154.21/41,585.57 = 18,824.75/x
  3. Step 3: Cross multiply
    30,154.21x = 41,585.57 × 18,824.75
  4. Step 4: Simplify right side
    30,154.21x = 782,838,039.29
  5. Step 5: Solve for x
    x = 782,838,039.29/30,154.21
  6. Step 6: Final answer
    x = 25,961.15

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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.