Home / 32,901.64-45,383.36-21,571.86

Finding the Fourth Proportional to 32,901.64, 45,383.36 and 21,571.86

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Solution

The fourth proportional to 32,901.64, 45,383.36 and 21,571.86 is: 29,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,901.64 : 45,383.36 = 21,571.86 : x
  2. Step 2: Convert to fraction form
    32,901.64/45,383.36 = 21,571.86/x
  3. Step 3: Cross multiply
    32,901.64x = 45,383.36 × 21,571.86
  4. Step 4: Simplify right side
    32,901.64x = 979,003,488.25
  5. Step 5: Solve for x
    x = 979,003,488.25/32,901.64
  6. Step 6: Final answer
    x = 29,755.46

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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.