Home / 32,916.12-45,428.22-18,771.36

Finding the Fourth Proportional to 32,916.12, 45,428.22 and 18,771.36

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Solution

The fourth proportional to 32,916.12, 45,428.22 and 18,771.36 is: 25,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,916.12 : 45,428.22 = 18,771.36 : x
  2. Step 2: Convert to fraction form
    32,916.12/45,428.22 = 18,771.36/x
  3. Step 3: Cross multiply
    32,916.12x = 45,428.22 × 18,771.36
  4. Step 4: Simplify right side
    32,916.12x = 852,749,471.78
  5. Step 5: Solve for x
    x = 852,749,471.78/32,916.12
  6. Step 6: Final answer
    x = 25,906.74

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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.