Home / 48,495.11-66,913.21-28,348.09

Finding the Fourth Proportional to 48,495.11, 66,913.21 and 28,348.09

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Solution

The fourth proportional to 48,495.11, 66,913.21 and 28,348.09 is: 39,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,495.11 : 66,913.21 = 28,348.09 : x
  2. Step 2: Convert to fraction form
    48,495.11/66,913.21 = 28,348.09/x
  3. Step 3: Cross multiply
    48,495.11x = 66,913.21 × 28,348.09
  4. Step 4: Simplify right side
    48,495.11x = 1,896,861,699.27
  5. Step 5: Solve for x
    x = 1,896,861,699.27/48,495.11
  6. Step 6: Final answer
    x = 39,114.49

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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.