Home / 48,669.20-72,972.41-19,090.02

Finding the Fourth Proportional to 48,669.20, 72,972.41 and 19,090.02

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Solution

The fourth proportional to 48,669.20, 72,972.41 and 19,090.02 is: 28,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,669.20 : 72,972.41 = 19,090.02 : x
  2. Step 2: Convert to fraction form
    48,669.20/72,972.41 = 19,090.02/x
  3. Step 3: Cross multiply
    48,669.20x = 72,972.41 × 19,090.02
  4. Step 4: Simplify right side
    48,669.20x = 1,393,044,670.90
  5. Step 5: Solve for x
    x = 1,393,044,670.90/48,669.20
  6. Step 6: Final answer
    x = 28,622.72

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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.