Home / 35,513.98-49,007.66-20,396.02

Finding the Fourth Proportional to 35,513.98, 49,007.66 and 20,396.02

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Solution

The fourth proportional to 35,513.98, 49,007.66 and 20,396.02 is: 28,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,513.98 : 49,007.66 = 20,396.02 : x
  2. Step 2: Convert to fraction form
    35,513.98/49,007.66 = 20,396.02/x
  3. Step 3: Cross multiply
    35,513.98x = 49,007.66 × 20,396.02
  4. Step 4: Simplify right side
    35,513.98x = 999,561,213.51
  5. Step 5: Solve for x
    x = 999,561,213.51/35,513.98
  6. Step 6: Final answer
    x = 28,145.57

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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.