Home / 35,680.80-49,238.91-19,765.92

Finding the Fourth Proportional to 35,680.80, 49,238.91 and 19,765.92

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Solution

The fourth proportional to 35,680.80, 49,238.91 and 19,765.92 is: 27,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,680.80 : 49,238.91 = 19,765.92 : x
  2. Step 2: Convert to fraction form
    35,680.80/49,238.91 = 19,765.92/x
  3. Step 3: Cross multiply
    35,680.80x = 49,238.91 × 19,765.92
  4. Step 4: Simplify right side
    35,680.80x = 973,252,355.95
  5. Step 5: Solve for x
    x = 973,252,355.95/35,680.80
  6. Step 6: Final answer
    x = 27,276.64

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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.