Home / 35,913.16-49,560.96-19,999.09

Finding the Fourth Proportional to 35,913.16, 49,560.96 and 19,999.09

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Solution

The fourth proportional to 35,913.16, 49,560.96 and 19,999.09 is: 27,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,913.16 : 49,560.96 = 19,999.09 : x
  2. Step 2: Convert to fraction form
    35,913.16/49,560.96 = 19,999.09/x
  3. Step 3: Cross multiply
    35,913.16x = 49,560.96 × 19,999.09
  4. Step 4: Simplify right side
    35,913.16x = 991,174,099.53
  5. Step 5: Solve for x
    x = 991,174,099.53/35,913.16
  6. Step 6: Final answer
    x = 27,599.19

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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.