Home / 30,289.28-45,418.66-17,643.11

Finding the Fourth Proportional to 30,289.28, 45,418.66 and 17,643.11

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Solution

The fourth proportional to 30,289.28, 45,418.66 and 17,643.11 is: 26,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.28 : 45,418.66 = 17,643.11 : x
  2. Step 2: Convert to fraction form
    30,289.28/45,418.66 = 17,643.11/x
  3. Step 3: Cross multiply
    30,289.28x = 45,418.66 × 17,643.11
  4. Step 4: Simplify right side
    30,289.28x = 801,326,099.12
  5. Step 5: Solve for x
    x = 801,326,099.12/30,289.28
  6. Step 6: Final answer
    x = 26,455.77

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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.