Home / 58,308.90-87,441.39-18,855.42

Finding the Fourth Proportional to 58,308.90, 87,441.39 and 18,855.42

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Solution

The fourth proportional to 58,308.90, 87,441.39 and 18,855.42 is: 28,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,308.90 : 87,441.39 = 18,855.42 : x
  2. Step 2: Convert to fraction form
    58,308.90/87,441.39 = 18,855.42/x
  3. Step 3: Cross multiply
    58,308.90x = 87,441.39 × 18,855.42
  4. Step 4: Simplify right side
    58,308.90x = 1,648,744,133.83
  5. Step 5: Solve for x
    x = 1,648,744,133.83/58,308.90
  6. Step 6: Final answer
    x = 28,276.03

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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.