Home / 34,939.09-52,416.77-9,979.48

Finding the Fourth Proportional to 34,939.09, 52,416.77 and 9,979.48

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Solution

The fourth proportional to 34,939.09, 52,416.77 and 9,979.48 is: 14,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,939.09 : 52,416.77 = 9,979.48 : x
  2. Step 2: Convert to fraction form
    34,939.09/52,416.77 = 9,979.48/x
  3. Step 3: Cross multiply
    34,939.09x = 52,416.77 × 9,979.48
  4. Step 4: Simplify right side
    34,939.09x = 523,091,926.94
  5. Step 5: Solve for x
    x = 523,091,926.94/34,939.09
  6. Step 6: Final answer
    x = 14,971.54

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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.