Home / 38,019.42-56,989.56-14,310.69

Finding the Fourth Proportional to 38,019.42, 56,989.56 and 14,310.69

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Solution

The fourth proportional to 38,019.42, 56,989.56 and 14,310.69 is: 21,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.42 : 56,989.56 = 14,310.69 : x
  2. Step 2: Convert to fraction form
    38,019.42/56,989.56 = 14,310.69/x
  3. Step 3: Cross multiply
    38,019.42x = 56,989.56 × 14,310.69
  4. Step 4: Simplify right side
    38,019.42x = 815,559,926.40
  5. Step 5: Solve for x
    x = 815,559,926.40/38,019.42
  6. Step 6: Final answer
    x = 21,451.14

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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.