Home / 30,165.35-45,281.12-23,965.20

Finding the Fourth Proportional to 30,165.35, 45,281.12 and 23,965.20

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Solution

The fourth proportional to 30,165.35, 45,281.12 and 23,965.20 is: 35,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165.35 : 45,281.12 = 23,965.20 : x
  2. Step 2: Convert to fraction form
    30,165.35/45,281.12 = 23,965.20/x
  3. Step 3: Cross multiply
    30,165.35x = 45,281.12 × 23,965.20
  4. Step 4: Simplify right side
    30,165.35x = 1,085,170,977.20
  5. Step 5: Solve for x
    x = 1,085,170,977.20/30,165.35
  6. Step 6: Final answer
    x = 35,974.09

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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.