Home / 35,643.49-49,190.30-20,535.88

Finding the Fourth Proportional to 35,643.49, 49,190.30 and 20,535.88

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Solution

The fourth proportional to 35,643.49, 49,190.30 and 20,535.88 is: 28,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,643.49 : 49,190.30 = 20,535.88 : x
  2. Step 2: Convert to fraction form
    35,643.49/49,190.30 = 20,535.88/x
  3. Step 3: Cross multiply
    35,643.49x = 49,190.30 × 20,535.88
  4. Step 4: Simplify right side
    35,643.49x = 1,010,165,749.33
  5. Step 5: Solve for x
    x = 1,010,165,749.33/35,643.49
  6. Step 6: Final answer
    x = 28,340.82

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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.