Home / 50,500.47-75,752.64-18,907.20

Finding the Fourth Proportional to 50,500.47, 75,752.64 and 18,907.20

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Solution

The fourth proportional to 50,500.47, 75,752.64 and 18,907.20 is: 28,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,500.47 : 75,752.64 = 18,907.20 : x
  2. Step 2: Convert to fraction form
    50,500.47/75,752.64 = 18,907.20/x
  3. Step 3: Cross multiply
    50,500.47x = 75,752.64 × 18,907.20
  4. Step 4: Simplify right side
    50,500.47x = 1,432,270,315.01
  5. Step 5: Solve for x
    x = 1,432,270,315.01/50,500.47
  6. Step 6: Final answer
    x = 28,361.52

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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.