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Finding the Fourth Proportional to 30,325.67, 45,479.73 and 10,334.71

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Solution

The fourth proportional to 30,325.67, 45,479.73 and 10,334.71 is: 15,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,325.67 : 45,479.73 = 10,334.71 : x
  2. Step 2: Convert to fraction form
    30,325.67/45,479.73 = 10,334.71/x
  3. Step 3: Cross multiply
    30,325.67x = 45,479.73 × 10,334.71
  4. Step 4: Simplify right side
    30,325.67x = 470,019,916.03
  5. Step 5: Solve for x
    x = 470,019,916.03/30,325.67
  6. Step 6: Final answer
    x = 15,499.08

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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.