Home / 31,816.70-43,903.87-19,066.49

Finding the Fourth Proportional to 31,816.70, 43,903.87 and 19,066.49

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Solution

The fourth proportional to 31,816.70, 43,903.87 and 19,066.49 is: 26,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.70 : 43,903.87 = 19,066.49 : x
  2. Step 2: Convert to fraction form
    31,816.70/43,903.87 = 19,066.49/x
  3. Step 3: Cross multiply
    31,816.70x = 43,903.87 × 19,066.49
  4. Step 4: Simplify right side
    31,816.70x = 837,092,703.02
  5. Step 5: Solve for x
    x = 837,092,703.02/31,816.70
  6. Step 6: Final answer
    x = 26,309.85

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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.