Home / 30,097.02-41,520.78-18,153.72

Finding the Fourth Proportional to 30,097.02, 41,520.78 and 18,153.72

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Solution

The fourth proportional to 30,097.02, 41,520.78 and 18,153.72 is: 25,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,097.02 : 41,520.78 = 18,153.72 : x
  2. Step 2: Convert to fraction form
    30,097.02/41,520.78 = 18,153.72/x
  3. Step 3: Cross multiply
    30,097.02x = 41,520.78 × 18,153.72
  4. Step 4: Simplify right side
    30,097.02x = 753,756,614.30
  5. Step 5: Solve for x
    x = 753,756,614.30/30,097.02
  6. Step 6: Final answer
    x = 25,044.23

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1.5x scale

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.