Home / 37,419.79-56,129.69-11,124.49

Finding the Fourth Proportional to 37,419.79, 56,129.69 and 11,124.49

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Solution

The fourth proportional to 37,419.79, 56,129.69 and 11,124.49 is: 16,686.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,419.79 : 56,129.69 = 11,124.49 : x
  2. Step 2: Convert to fraction form
    37,419.79/56,129.69 = 11,124.49/x
  3. Step 3: Cross multiply
    37,419.79x = 56,129.69 × 11,124.49
  4. Step 4: Simplify right side
    37,419.79x = 624,414,119.49
  5. Step 5: Solve for x
    x = 624,414,119.49/37,419.79
  6. Step 6: Final answer
    x = 16,686.74

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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.