Home / 35,643.24-49,193.06-20,538.14

Finding the Fourth Proportional to 35,643.24, 49,193.06 and 20,538.14

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Solution

The fourth proportional to 35,643.24, 49,193.06 and 20,538.14 is: 28,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,643.24 : 49,193.06 = 20,538.14 : x
  2. Step 2: Convert to fraction form
    35,643.24/49,193.06 = 20,538.14/x
  3. Step 3: Cross multiply
    35,643.24x = 49,193.06 × 20,538.14
  4. Step 4: Simplify right side
    35,643.24x = 1,010,333,604.65
  5. Step 5: Solve for x
    x = 1,010,333,604.65/35,643.24
  6. Step 6: Final answer
    x = 28,345.73

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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.