Home / 30,356.20-45,531.74-17,167.08

Finding the Fourth Proportional to 30,356.20, 45,531.74 and 17,167.08

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Solution

The fourth proportional to 30,356.20, 45,531.74 and 17,167.08 is: 25,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356.20 : 45,531.74 = 17,167.08 : x
  2. Step 2: Convert to fraction form
    30,356.20/45,531.74 = 17,167.08/x
  3. Step 3: Cross multiply
    30,356.20x = 45,531.74 × 17,167.08
  4. Step 4: Simplify right side
    30,356.20x = 781,647,023.12
  5. Step 5: Solve for x
    x = 781,647,023.12/30,356.20
  6. Step 6: Final answer
    x = 25,749.17

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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.