Home / 29,431.13-40,613.63-16,684.13

Finding the Fourth Proportional to 29,431.13, 40,613.63 and 16,684.13

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Solution

The fourth proportional to 29,431.13, 40,613.63 and 16,684.13 is: 23,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,431.13 : 40,613.63 = 16,684.13 : x
  2. Step 2: Convert to fraction form
    29,431.13/40,613.63 = 16,684.13/x
  3. Step 3: Cross multiply
    29,431.13x = 40,613.63 × 16,684.13
  4. Step 4: Simplify right side
    29,431.13x = 677,603,100.81
  5. Step 5: Solve for x
    x = 677,603,100.81/29,431.13
  6. Step 6: Final answer
    x = 23,023.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.