Home / 37,880.81-56,815.74-11,578.49

Finding the Fourth Proportional to 37,880.81, 56,815.74 and 11,578.49

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Solution

The fourth proportional to 37,880.81, 56,815.74 and 11,578.49 is: 17,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,880.81 : 56,815.74 = 11,578.49 : x
  2. Step 2: Convert to fraction form
    37,880.81/56,815.74 = 11,578.49/x
  3. Step 3: Cross multiply
    37,880.81x = 56,815.74 × 11,578.49
  4. Step 4: Simplify right side
    37,880.81x = 657,840,135.46
  5. Step 5: Solve for x
    x = 657,840,135.46/37,880.81
  6. Step 6: Final answer
    x = 17,366.05

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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.