Home / 37,428.84-51,651.81-20,661.84

Finding the Fourth Proportional to 37,428.84, 51,651.81 and 20,661.84

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Solution

The fourth proportional to 37,428.84, 51,651.81 and 20,661.84 is: 28,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428.84 : 51,651.81 = 20,661.84 : x
  2. Step 2: Convert to fraction form
    37,428.84/51,651.81 = 20,661.84/x
  3. Step 3: Cross multiply
    37,428.84x = 51,651.81 × 20,661.84
  4. Step 4: Simplify right side
    37,428.84x = 1,067,221,433.93
  5. Step 5: Solve for x
    x = 1,067,221,433.93/37,428.84
  6. Step 6: Final answer
    x = 28,513.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.