Home / 39,499.65-54,509.49-21,594.64

Finding the Fourth Proportional to 39,499.65, 54,509.49 and 21,594.64

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Solution

The fourth proportional to 39,499.65, 54,509.49 and 21,594.64 is: 29,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,499.65 : 54,509.49 = 21,594.64 : x
  2. Step 2: Convert to fraction form
    39,499.65/54,509.49 = 21,594.64/x
  3. Step 3: Cross multiply
    39,499.65x = 54,509.49 × 21,594.64
  4. Step 4: Simplify right side
    39,499.65x = 1,177,112,813.13
  5. Step 5: Solve for x
    x = 1,177,112,813.13/39,499.65
  6. Step 6: Final answer
    x = 29,800.59

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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.