Home / 39,409.05-59,080.29-18,338.22

Finding the Fourth Proportional to 39,409.05, 59,080.29 and 18,338.22

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Solution

The fourth proportional to 39,409.05, 59,080.29 and 18,338.22 is: 27,491.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.05 : 59,080.29 = 18,338.22 : x
  2. Step 2: Convert to fraction form
    39,409.05/59,080.29 = 18,338.22/x
  3. Step 3: Cross multiply
    39,409.05x = 59,080.29 × 18,338.22
  4. Step 4: Simplify right side
    39,409.05x = 1,083,427,355.68
  5. Step 5: Solve for x
    x = 1,083,427,355.68/39,409.05
  6. Step 6: Final answer
    x = 27,491.84

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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.