Home / 30,388.20-45,582.30-17,266.20

Finding the Fourth Proportional to 30,388.20, 45,582.30 and 17,266.20

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Solution

The fourth proportional to 30,388.20, 45,582.30 and 17,266.20 is: 25,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388.20 : 45,582.30 = 17,266.20 : x
  2. Step 2: Convert to fraction form
    30,388.20/45,582.30 = 17,266.20/x
  3. Step 3: Cross multiply
    30,388.20x = 45,582.30 × 17,266.20
  4. Step 4: Simplify right side
    30,388.20x = 787,033,108.26
  5. Step 5: Solve for x
    x = 787,033,108.26/30,388.20
  6. Step 6: Final answer
    x = 25,899.30

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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.