Home / 36,017.21-54,032.16-12,319.19

Finding the Fourth Proportional to 36,017.21, 54,032.16 and 12,319.19

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Solution

The fourth proportional to 36,017.21, 54,032.16 and 12,319.19 is: 18,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,017.21 : 54,032.16 = 12,319.19 : x
  2. Step 2: Convert to fraction form
    36,017.21/54,032.16 = 12,319.19/x
  3. Step 3: Cross multiply
    36,017.21x = 54,032.16 × 12,319.19
  4. Step 4: Simplify right side
    36,017.21x = 665,632,383.55
  5. Step 5: Solve for x
    x = 665,632,383.55/36,017.21
  6. Step 6: Final answer
    x = 18,480.95

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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.