Home / 29,630.94-40,871.43-19,003.74

Finding the Fourth Proportional to 29,630.94, 40,871.43 and 19,003.74

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Solution

The fourth proportional to 29,630.94, 40,871.43 and 19,003.74 is: 26,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,630.94 : 40,871.43 = 19,003.74 : x
  2. Step 2: Convert to fraction form
    29,630.94/40,871.43 = 19,003.74/x
  3. Step 3: Cross multiply
    29,630.94x = 40,871.43 × 19,003.74
  4. Step 4: Simplify right side
    29,630.94x = 776,710,029.15
  5. Step 5: Solve for x
    x = 776,710,029.15/29,630.94
  6. Step 6: Final answer
    x = 26,212.80

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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.