Home / 32,989.60-49,495.26-21,939.76

Finding the Fourth Proportional to 32,989.60, 49,495.26 and 21,939.76

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Solution

The fourth proportional to 32,989.60, 49,495.26 and 21,939.76 is: 32,916.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.60 : 49,495.26 = 21,939.76 : x
  2. Step 2: Convert to fraction form
    32,989.60/49,495.26 = 21,939.76/x
  3. Step 3: Cross multiply
    32,989.60x = 49,495.26 × 21,939.76
  4. Step 4: Simplify right side
    32,989.60x = 1,085,914,125.54
  5. Step 5: Solve for x
    x = 1,085,914,125.54/32,989.60
  6. Step 6: Final answer
    x = 32,916.86

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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.