Home / 33,569.12-50,308.29-12,781.28

Finding the Fourth Proportional to 33,569.12, 50,308.29 and 12,781.28

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Solution

The fourth proportional to 33,569.12, 50,308.29 and 12,781.28 is: 19,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,569.12 : 50,308.29 = 12,781.28 : x
  2. Step 2: Convert to fraction form
    33,569.12/50,308.29 = 12,781.28/x
  3. Step 3: Cross multiply
    33,569.12x = 50,308.29 × 12,781.28
  4. Step 4: Simplify right side
    33,569.12x = 643,004,466.58
  5. Step 5: Solve for x
    x = 643,004,466.58/33,569.12
  6. Step 6: Final answer
    x = 19,154.64

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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.