Home / 37,237.20-55,855.80-12,281.10

Finding the Fourth Proportional to 37,237.20, 55,855.80 and 12,281.10

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Solution

The fourth proportional to 37,237.20, 55,855.80 and 12,281.10 is: 18,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,237.20 : 55,855.80 = 12,281.10 : x
  2. Step 2: Convert to fraction form
    37,237.20/55,855.80 = 12,281.10/x
  3. Step 3: Cross multiply
    37,237.20x = 55,855.80 × 12,281.10
  4. Step 4: Simplify right side
    37,237.20x = 685,970,665.38
  5. Step 5: Solve for x
    x = 685,970,665.38/37,237.20
  6. Step 6: Final answer
    x = 18,421.65

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1.5x scale

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.