Home / 31,048.96-42,849.36-16,901.44

Finding the Fourth Proportional to 31,048.96, 42,849.36 and 16,901.44

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Solution

The fourth proportional to 31,048.96, 42,849.36 and 16,901.44 is: 23,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,048.96 : 42,849.36 = 16,901.44 : x
  2. Step 2: Convert to fraction form
    31,048.96/42,849.36 = 16,901.44/x
  3. Step 3: Cross multiply
    31,048.96x = 42,849.36 × 16,901.44
  4. Step 4: Simplify right side
    31,048.96x = 724,215,887.08
  5. Step 5: Solve for x
    x = 724,215,887.08/31,048.96
  6. Step 6: Final answer
    x = 23,324.96

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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.