Home / 38,820.46-58,172.97-20,075.47

Finding the Fourth Proportional to 38,820.46, 58,172.97 and 20,075.47

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Solution

The fourth proportional to 38,820.46, 58,172.97 and 20,075.47 is: 30,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,820.46 : 58,172.97 = 20,075.47 : x
  2. Step 2: Convert to fraction form
    38,820.46/58,172.97 = 20,075.47/x
  3. Step 3: Cross multiply
    38,820.46x = 58,172.97 × 20,075.47
  4. Step 4: Simplify right side
    38,820.46x = 1,167,849,714.05
  5. Step 5: Solve for x
    x = 1,167,849,714.05/38,820.46
  6. Step 6: Final answer
    x = 30,083.36

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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.