Home / 37,636.83-51,938.75-21,721.28

Finding the Fourth Proportional to 37,636.83, 51,938.75 and 21,721.28

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Solution

The fourth proportional to 37,636.83, 51,938.75 and 21,721.28 is: 29,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,636.83 : 51,938.75 = 21,721.28 : x
  2. Step 2: Convert to fraction form
    37,636.83/51,938.75 = 21,721.28/x
  3. Step 3: Cross multiply
    37,636.83x = 51,938.75 × 21,721.28
  4. Step 4: Simplify right side
    37,636.83x = 1,128,176,261.45
  5. Step 5: Solve for x
    x = 1,128,176,261.45/37,636.83
  6. Step 6: Final answer
    x = 29,975.32

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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.