Home / 30,057.21-41,482.05-17,310.81

Finding the Fourth Proportional to 30,057.21, 41,482.05 and 17,310.81

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Solution

The fourth proportional to 30,057.21, 41,482.05 and 17,310.81 is: 23,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057.21 : 41,482.05 = 17,310.81 : x
  2. Step 2: Convert to fraction form
    30,057.21/41,482.05 = 17,310.81/x
  3. Step 3: Cross multiply
    30,057.21x = 41,482.05 × 17,310.81
  4. Step 4: Simplify right side
    30,057.21x = 718,087,885.96
  5. Step 5: Solve for x
    x = 718,087,885.96/30,057.21
  6. Step 6: Final answer
    x = 23,890.70

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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.