Home / 53,179.70-79,769.32-15,739.93

Finding the Fourth Proportional to 53,179.70, 79,769.32 and 15,739.93

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Solution

The fourth proportional to 53,179.70, 79,769.32 and 15,739.93 is: 23,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,179.70 : 79,769.32 = 15,739.93 : x
  2. Step 2: Convert to fraction form
    53,179.70/79,769.32 = 15,739.93/x
  3. Step 3: Cross multiply
    53,179.70x = 79,769.32 × 15,739.93
  4. Step 4: Simplify right side
    53,179.70x = 1,255,563,632.33
  5. Step 5: Solve for x
    x = 1,255,563,632.33/53,179.70
  6. Step 6: Final answer
    x = 23,609.83

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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.