Home / 37,730.81-52,068.53-20,963.81

Finding the Fourth Proportional to 37,730.81, 52,068.53 and 20,963.81

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Solution

The fourth proportional to 37,730.81, 52,068.53 and 20,963.81 is: 28,930.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,730.81 : 52,068.53 = 20,963.81 : x
  2. Step 2: Convert to fraction form
    37,730.81/52,068.53 = 20,963.81/x
  3. Step 3: Cross multiply
    37,730.81x = 52,068.53 × 20,963.81
  4. Step 4: Simplify right side
    37,730.81x = 1,091,554,952.48
  5. Step 5: Solve for x
    x = 1,091,554,952.48/37,730.81
  6. Step 6: Final answer
    x = 28,930.07

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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.