Home / 47,856.78-66,041.59-26,636.40

Finding the Fourth Proportional to 47,856.78, 66,041.59 and 26,636.40

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Solution

The fourth proportional to 47,856.78, 66,041.59 and 26,636.40 is: 36,757.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,856.78 : 66,041.59 = 26,636.40 : x
  2. Step 2: Convert to fraction form
    47,856.78/66,041.59 = 26,636.40/x
  3. Step 3: Cross multiply
    47,856.78x = 66,041.59 × 26,636.40
  4. Step 4: Simplify right side
    47,856.78x = 1,759,110,207.88
  5. Step 5: Solve for x
    x = 1,759,110,207.88/47,856.78
  6. Step 6: Final answer
    x = 36,757.81

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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.