Home / 37,285.20-55,929.08-12,658

Finding the Fourth Proportional to 37,285.20, 55,929.08 and 12,658

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Solution

The fourth proportional to 37,285.20, 55,929.08 and 12,658 is: 18,987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,285.20 : 55,929.08 = 12,658 : x
  2. Step 2: Convert to fraction form
    37,285.20/55,929.08 = 12,658/x
  3. Step 3: Cross multiply
    37,285.20x = 55,929.08 × 12,658
  4. Step 4: Simplify right side
    37,285.20x = 707,950,294.64
  5. Step 5: Solve for x
    x = 707,950,294.64/37,285.20
  6. Step 6: Final answer
    x = 18,987.43

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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.