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Finding the Fourth Proportional to 36,616.69, 54,877.02 and 20,828.98

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Solution

The fourth proportional to 36,616.69, 54,877.02 and 20,828.98 is: 31,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,616.69 : 54,877.02 = 20,828.98 : x
  2. Step 2: Convert to fraction form
    36,616.69/54,877.02 = 20,828.98/x
  3. Step 3: Cross multiply
    36,616.69x = 54,877.02 × 20,828.98
  4. Step 4: Simplify right side
    36,616.69x = 1,143,032,352.04
  5. Step 5: Solve for x
    x = 1,143,032,352.04/36,616.69
  6. Step 6: Final answer
    x = 31,216.16

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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.