Home / 33,148.12-49,720.56-12,370

Finding the Fourth Proportional to 33,148.12, 49,720.56 and 12,370

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Solution

The fourth proportional to 33,148.12, 49,720.56 and 12,370 is: 18,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,148.12 : 49,720.56 = 12,370 : x
  2. Step 2: Convert to fraction form
    33,148.12/49,720.56 = 12,370/x
  3. Step 3: Cross multiply
    33,148.12x = 49,720.56 × 12,370
  4. Step 4: Simplify right side
    33,148.12x = 615,043,327.20
  5. Step 5: Solve for x
    x = 615,043,327.20/33,148.12
  6. Step 6: Final answer
    x = 18,554.40

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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.