Home / 39,319.96-58,979.58-15,940.84

Finding the Fourth Proportional to 39,319.96, 58,979.58 and 15,940.84

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Solution

The fourth proportional to 39,319.96, 58,979.58 and 15,940.84 is: 23,911.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,319.96 : 58,979.58 = 15,940.84 : x
  2. Step 2: Convert to fraction form
    39,319.96/58,979.58 = 15,940.84/x
  3. Step 3: Cross multiply
    39,319.96x = 58,979.58 × 15,940.84
  4. Step 4: Simplify right side
    39,319.96x = 940,184,048.05
  5. Step 5: Solve for x
    x = 940,184,048.05/39,319.96
  6. Step 6: Final answer
    x = 23,911.11

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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.