Home / 37,305.12-51,464.88-21,385.92

Finding the Fourth Proportional to 37,305.12, 51,464.88 and 21,385.92

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Solution

The fourth proportional to 37,305.12, 51,464.88 and 21,385.92 is: 29,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,305.12 : 51,464.88 = 21,385.92 : x
  2. Step 2: Convert to fraction form
    37,305.12/51,464.88 = 21,385.92/x
  3. Step 3: Cross multiply
    37,305.12x = 51,464.88 × 21,385.92
  4. Step 4: Simplify right side
    37,305.12x = 1,100,623,806.49
  5. Step 5: Solve for x
    x = 1,100,623,806.49/37,305.12
  6. Step 6: Final answer
    x = 29,503.29

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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.