Home / 39,189.16-58,783.42-15,815.24

Finding the Fourth Proportional to 39,189.16, 58,783.42 and 15,815.24

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Solution

The fourth proportional to 39,189.16, 58,783.42 and 15,815.24 is: 23,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,189.16 : 58,783.42 = 15,815.24 : x
  2. Step 2: Convert to fraction form
    39,189.16/58,783.42 = 15,815.24/x
  3. Step 3: Cross multiply
    39,189.16x = 58,783.42 × 15,815.24
  4. Step 4: Simplify right side
    39,189.16x = 929,673,895.32
  5. Step 5: Solve for x
    x = 929,673,895.32/39,189.16
  6. Step 6: Final answer
    x = 23,722.73

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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.