Home / 65,555.75-98,334.20-21,182.51

Finding the Fourth Proportional to 65,555.75, 98,334.20 and 21,182.51

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Solution

The fourth proportional to 65,555.75, 98,334.20 and 21,182.51 is: 31,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555.75 : 98,334.20 = 21,182.51 : x
  2. Step 2: Convert to fraction form
    65,555.75/98,334.20 = 21,182.51/x
  3. Step 3: Cross multiply
    65,555.75x = 98,334.20 × 21,182.51
  4. Step 4: Simplify right side
    65,555.75x = 2,082,965,473.63
  5. Step 5: Solve for x
    x = 2,082,965,473.63/65,555.75
  6. Step 6: Final answer
    x = 31,773.95

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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.