Home / 33,421.32-46,113.30-18,517.32

Finding the Fourth Proportional to 33,421.32, 46,113.30 and 18,517.32

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Solution

The fourth proportional to 33,421.32, 46,113.30 and 18,517.32 is: 25,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.32 : 46,113.30 = 18,517.32 : x
  2. Step 2: Convert to fraction form
    33,421.32/46,113.30 = 18,517.32/x
  3. Step 3: Cross multiply
    33,421.32x = 46,113.30 × 18,517.32
  4. Step 4: Simplify right side
    33,421.32x = 853,894,732.36
  5. Step 5: Solve for x
    x = 853,894,732.36/33,421.32
  6. Step 6: Final answer
    x = 25,549.40

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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.