Home / 30,389.88-45,464.94-23,015.64

Finding the Fourth Proportional to 30,389.88, 45,464.94 and 23,015.64

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Solution

The fourth proportional to 30,389.88, 45,464.94 and 23,015.64 is: 34,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.88 : 45,464.94 = 23,015.64 : x
  2. Step 2: Convert to fraction form
    30,389.88/45,464.94 = 23,015.64/x
  3. Step 3: Cross multiply
    30,389.88x = 45,464.94 × 23,015.64
  4. Step 4: Simplify right side
    30,389.88x = 1,046,404,691.66
  5. Step 5: Solve for x
    x = 1,046,404,691.66/30,389.88
  6. Step 6: Final answer
    x = 34,432.67

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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.