Home / 36,989.34-51,045.36-21,074.46

Finding the Fourth Proportional to 36,989.34, 51,045.36 and 21,074.46

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Solution

The fourth proportional to 36,989.34, 51,045.36 and 21,074.46 is: 29,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.34 : 51,045.36 = 21,074.46 : x
  2. Step 2: Convert to fraction form
    36,989.34/51,045.36 = 21,074.46/x
  3. Step 3: Cross multiply
    36,989.34x = 51,045.36 × 21,074.46
  4. Step 4: Simplify right side
    36,989.34x = 1,075,753,397.51
  5. Step 5: Solve for x
    x = 1,075,753,397.51/36,989.34
  6. Step 6: Final answer
    x = 29,082.80

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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.