Home / 30,184.16-45,285-13,549.04

Finding the Fourth Proportional to 30,184.16, 45,285 and 13,549.04

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Solution

The fourth proportional to 30,184.16, 45,285 and 13,549.04 is: 20,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.16 : 45,285 = 13,549.04 : x
  2. Step 2: Convert to fraction form
    30,184.16/45,285 = 13,549.04/x
  3. Step 3: Cross multiply
    30,184.16x = 45,285 × 13,549.04
  4. Step 4: Simplify right side
    30,184.16x = 613,568,276.40
  5. Step 5: Solve for x
    x = 613,568,276.40/30,184.16
  6. Step 6: Final answer
    x = 20,327.49

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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.