Home / 37,131.36-55,703.96-12,172.92

Finding the Fourth Proportional to 37,131.36, 55,703.96 and 12,172.92

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Solution

The fourth proportional to 37,131.36, 55,703.96 and 12,172.92 is: 18,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131.36 : 55,703.96 = 12,172.92 : x
  2. Step 2: Convert to fraction form
    37,131.36/55,703.96 = 12,172.92/x
  3. Step 3: Cross multiply
    37,131.36x = 55,703.96 × 12,172.92
  4. Step 4: Simplify right side
    37,131.36x = 678,079,848.76
  5. Step 5: Solve for x
    x = 678,079,848.76/37,131.36
  6. Step 6: Final answer
    x = 18,261.65

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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.