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Finding the Fourth Proportional to 37,636.80, 51,935.02 and 21,726.37

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Solution

The fourth proportional to 37,636.80, 51,935.02 and 21,726.37 is: 29,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,636.80 : 51,935.02 = 21,726.37 : x
  2. Step 2: Convert to fraction form
    37,636.80/51,935.02 = 21,726.37/x
  3. Step 3: Cross multiply
    37,636.80x = 51,935.02 × 21,726.37
  4. Step 4: Simplify right side
    37,636.80x = 1,128,359,460.48
  5. Step 5: Solve for x
    x = 1,128,359,460.48/37,636.80
  6. Step 6: Final answer
    x = 29,980.22

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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.