Home / 37,271.90-55,903.13-12,305.82

Finding the Fourth Proportional to 37,271.90, 55,903.13 and 12,305.82

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Solution

The fourth proportional to 37,271.90, 55,903.13 and 12,305.82 is: 18,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,271.90 : 55,903.13 = 12,305.82 : x
  2. Step 2: Convert to fraction form
    37,271.90/55,903.13 = 12,305.82/x
  3. Step 3: Cross multiply
    37,271.90x = 55,903.13 × 12,305.82
  4. Step 4: Simplify right side
    37,271.90x = 687,934,049.47
  5. Step 5: Solve for x
    x = 687,934,049.47/37,271.90
  6. Step 6: Final answer
    x = 18,457.18

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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.