Home / 33,258.74-49,913.48-12,218.72

Finding the Fourth Proportional to 33,258.74, 49,913.48 and 12,218.72

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Solution

The fourth proportional to 33,258.74, 49,913.48 and 12,218.72 is: 18,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,258.74 : 49,913.48 = 12,218.72 : x
  2. Step 2: Convert to fraction form
    33,258.74/49,913.48 = 12,218.72/x
  3. Step 3: Cross multiply
    33,258.74x = 49,913.48 × 12,218.72
  4. Step 4: Simplify right side
    33,258.74x = 609,878,617.32
  5. Step 5: Solve for x
    x = 609,878,617.32/33,258.74
  6. Step 6: Final answer
    x = 18,337.40

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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.