Home / 35,896.24-49,530.90-19,980.28

Finding the Fourth Proportional to 35,896.24, 49,530.90 and 19,980.28

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Solution

The fourth proportional to 35,896.24, 49,530.90 and 19,980.28 is: 27,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,896.24 : 49,530.90 = 19,980.28 : x
  2. Step 2: Convert to fraction form
    35,896.24/49,530.90 = 19,980.28/x
  3. Step 3: Cross multiply
    35,896.24x = 49,530.90 × 19,980.28
  4. Step 4: Simplify right side
    35,896.24x = 989,641,250.65
  5. Step 5: Solve for x
    x = 989,641,250.65/35,896.24
  6. Step 6: Final answer
    x = 27,569.50

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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.