Home / 39,063.05-53,903.16-21,832.24

Finding the Fourth Proportional to 39,063.05, 53,903.16 and 21,832.24

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Solution

The fourth proportional to 39,063.05, 53,903.16 and 21,832.24 is: 30,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,063.05 : 53,903.16 = 21,832.24 : x
  2. Step 2: Convert to fraction form
    39,063.05/53,903.16 = 21,832.24/x
  3. Step 3: Cross multiply
    39,063.05x = 53,903.16 × 21,832.24
  4. Step 4: Simplify right side
    39,063.05x = 1,176,826,591.12
  5. Step 5: Solve for x
    x = 1,176,826,591.12/39,063.05
  6. Step 6: Final answer
    x = 30,126.33

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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.