Home / 42,579.28-58,758.60-26,672.50

Finding the Fourth Proportional to 42,579.28, 58,758.60 and 26,672.50

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Solution

The fourth proportional to 42,579.28, 58,758.60 and 26,672.50 is: 36,807.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,579.28 : 58,758.60 = 26,672.50 : x
  2. Step 2: Convert to fraction form
    42,579.28/58,758.60 = 26,672.50/x
  3. Step 3: Cross multiply
    42,579.28x = 58,758.60 × 26,672.50
  4. Step 4: Simplify right side
    42,579.28x = 1,567,238,758.50
  5. Step 5: Solve for x
    x = 1,567,238,758.50/42,579.28
  6. Step 6: Final answer
    x = 36,807.54

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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.