Home / 30,414.64-41,973.08-16,985.52

Finding the Fourth Proportional to 30,414.64, 41,973.08 and 16,985.52

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Solution

The fourth proportional to 30,414.64, 41,973.08 and 16,985.52 is: 23,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,414.64 : 41,973.08 = 16,985.52 : x
  2. Step 2: Convert to fraction form
    30,414.64/41,973.08 = 16,985.52/x
  3. Step 3: Cross multiply
    30,414.64x = 41,973.08 × 16,985.52
  4. Step 4: Simplify right side
    30,414.64x = 712,934,589.80
  5. Step 5: Solve for x
    x = 712,934,589.80/30,414.64
  6. Step 6: Final answer
    x = 23,440.51

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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.