Home / 32,619.64-48,916.94-13,887.80

Finding the Fourth Proportional to 32,619.64, 48,916.94 and 13,887.80

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Solution

The fourth proportional to 32,619.64, 48,916.94 and 13,887.80 is: 20,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,619.64 : 48,916.94 = 13,887.80 : x
  2. Step 2: Convert to fraction form
    32,619.64/48,916.94 = 13,887.80/x
  3. Step 3: Cross multiply
    32,619.64x = 48,916.94 × 13,887.80
  4. Step 4: Simplify right side
    32,619.64x = 679,348,679.33
  5. Step 5: Solve for x
    x = 679,348,679.33/32,619.64
  6. Step 6: Final answer
    x = 20,826.37

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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.