Home / 49,515.72-74,276.02-18,343.68

Finding the Fourth Proportional to 49,515.72, 74,276.02 and 18,343.68

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Solution

The fourth proportional to 49,515.72, 74,276.02 and 18,343.68 is: 27,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,515.72 : 74,276.02 = 18,343.68 : x
  2. Step 2: Convert to fraction form
    49,515.72/74,276.02 = 18,343.68/x
  3. Step 3: Cross multiply
    49,515.72x = 74,276.02 × 18,343.68
  4. Step 4: Simplify right side
    49,515.72x = 1,362,495,542.55
  5. Step 5: Solve for x
    x = 1,362,495,542.55/49,515.72
  6. Step 6: Final answer
    x = 27,516.42

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1.5x scale

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.