Home / 29,021.61-40,058.39-18,951.63

Finding the Fourth Proportional to 29,021.61, 40,058.39 and 18,951.63

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Solution

The fourth proportional to 29,021.61, 40,058.39 and 18,951.63 is: 26,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,021.61 : 40,058.39 = 18,951.63 : x
  2. Step 2: Convert to fraction form
    29,021.61/40,058.39 = 18,951.63/x
  3. Step 3: Cross multiply
    29,021.61x = 40,058.39 × 18,951.63
  4. Step 4: Simplify right side
    29,021.61x = 759,171,690.92
  5. Step 5: Solve for x
    x = 759,171,690.92/29,021.61
  6. Step 6: Final answer
    x = 26,158.84

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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.