Home / 30,118.42-45,176.41-14,331.12

Finding the Fourth Proportional to 30,118.42, 45,176.41 and 14,331.12

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Solution

The fourth proportional to 30,118.42, 45,176.41 and 14,331.12 is: 21,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.42 : 45,176.41 = 14,331.12 : x
  2. Step 2: Convert to fraction form
    30,118.42/45,176.41 = 14,331.12/x
  3. Step 3: Cross multiply
    30,118.42x = 45,176.41 × 14,331.12
  4. Step 4: Simplify right side
    30,118.42x = 647,428,552.88
  5. Step 5: Solve for x
    x = 647,428,552.88/30,118.42
  6. Step 6: Final answer
    x = 21,496.10

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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.