Home / 32,908.05-45,410.07-20,155.41

Finding the Fourth Proportional to 32,908.05, 45,410.07 and 20,155.41

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Solution

The fourth proportional to 32,908.05, 45,410.07 and 20,155.41 is: 27,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,908.05 : 45,410.07 = 20,155.41 : x
  2. Step 2: Convert to fraction form
    32,908.05/45,410.07 = 20,155.41/x
  3. Step 3: Cross multiply
    32,908.05x = 45,410.07 × 20,155.41
  4. Step 4: Simplify right side
    32,908.05x = 915,258,578.98
  5. Step 5: Solve for x
    x = 915,258,578.98/32,908.05
  6. Step 6: Final answer
    x = 27,812.60

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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.