Home / 41,878.20-57,785.40-26,784.36

Finding the Fourth Proportional to 41,878.20, 57,785.40 and 26,784.36

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Solution

The fourth proportional to 41,878.20, 57,785.40 and 26,784.36 is: 36,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,878.20 : 57,785.40 = 26,784.36 : x
  2. Step 2: Convert to fraction form
    41,878.20/57,785.40 = 26,784.36/x
  3. Step 3: Cross multiply
    41,878.20x = 57,785.40 × 26,784.36
  4. Step 4: Simplify right side
    41,878.20x = 1,547,744,956.34
  5. Step 5: Solve for x
    x = 1,547,744,956.34/41,878.20
  6. Step 6: Final answer
    x = 36,958.25

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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.