Home / 30,586.32-45,877.26-13,724.58

Finding the Fourth Proportional to 30,586.32, 45,877.26 and 13,724.58

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Solution

The fourth proportional to 30,586.32, 45,877.26 and 13,724.58 is: 20,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,586.32 : 45,877.26 = 13,724.58 : x
  2. Step 2: Convert to fraction form
    30,586.32/45,877.26 = 13,724.58/x
  3. Step 3: Cross multiply
    30,586.32x = 45,877.26 × 13,724.58
  4. Step 4: Simplify right side
    30,586.32x = 629,646,125.05
  5. Step 5: Solve for x
    x = 629,646,125.05/30,586.32
  6. Step 6: Final answer
    x = 20,585.87

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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.