Home / 39,598.67-54,647.43-21,694.77

Finding the Fourth Proportional to 39,598.67, 54,647.43 and 21,694.77

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Solution

The fourth proportional to 39,598.67, 54,647.43 and 21,694.77 is: 29,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,598.67 : 54,647.43 = 21,694.77 : x
  2. Step 2: Convert to fraction form
    39,598.67/54,647.43 = 21,694.77/x
  3. Step 3: Cross multiply
    39,598.67x = 54,647.43 × 21,694.77
  4. Step 4: Simplify right side
    39,598.67x = 1,185,563,343.59
  5. Step 5: Solve for x
    x = 1,185,563,343.59/39,598.67
  6. Step 6: Final answer
    x = 29,939.47

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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.