Home / 36,989.88-51,043.41-21,071.40

Finding the Fourth Proportional to 36,989.88, 51,043.41 and 21,071.40

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Solution

The fourth proportional to 36,989.88, 51,043.41 and 21,071.40 is: 29,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.88 : 51,043.41 = 21,071.40 : x
  2. Step 2: Convert to fraction form
    36,989.88/51,043.41 = 21,071.40/x
  3. Step 3: Cross multiply
    36,989.88x = 51,043.41 × 21,071.40
  4. Step 4: Simplify right side
    36,989.88x = 1,075,556,109.47
  5. Step 5: Solve for x
    x = 1,075,556,109.47/36,989.88
  6. Step 6: Final answer
    x = 29,077.04

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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.