Home / 42,238.91-63,372.44-14,161.74

Finding the Fourth Proportional to 42,238.91, 63,372.44 and 14,161.74

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Solution

The fourth proportional to 42,238.91, 63,372.44 and 14,161.74 is: 21,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,238.91 : 63,372.44 = 14,161.74 : x
  2. Step 2: Convert to fraction form
    42,238.91/63,372.44 = 14,161.74/x
  3. Step 3: Cross multiply
    42,238.91x = 63,372.44 × 14,161.74
  4. Step 4: Simplify right side
    42,238.91x = 897,464,018.45
  5. Step 5: Solve for x
    x = 897,464,018.45/42,238.91
  6. Step 6: Final answer
    x = 21,247.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.