Home / 30,331.72-45,515.94-10,624.96

Finding the Fourth Proportional to 30,331.72, 45,515.94 and 10,624.96

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Solution

The fourth proportional to 30,331.72, 45,515.94 and 10,624.96 is: 15,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331.72 : 45,515.94 = 10,624.96 : x
  2. Step 2: Convert to fraction form
    30,331.72/45,515.94 = 10,624.96/x
  3. Step 3: Cross multiply
    30,331.72x = 45,515.94 × 10,624.96
  4. Step 4: Simplify right side
    30,331.72x = 483,605,041.86
  5. Step 5: Solve for x
    x = 483,605,041.86/30,331.72
  6. Step 6: Final answer
    x = 15,943.87

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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.