Home / 39,158.40-58,687.30-17,795.50

Finding the Fourth Proportional to 39,158.40, 58,687.30 and 17,795.50

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Solution

The fourth proportional to 39,158.40, 58,687.30 and 17,795.50 is: 26,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,158.40 : 58,687.30 = 17,795.50 : x
  2. Step 2: Convert to fraction form
    39,158.40/58,687.30 = 17,795.50/x
  3. Step 3: Cross multiply
    39,158.40x = 58,687.30 × 17,795.50
  4. Step 4: Simplify right side
    39,158.40x = 1,044,369,847.15
  5. Step 5: Solve for x
    x = 1,044,369,847.15/39,158.40
  6. Step 6: Final answer
    x = 26,670.39

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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.