Home / 35,636.51-49,178.39-19,721.02

Finding the Fourth Proportional to 35,636.51, 49,178.39 and 19,721.02

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Solution

The fourth proportional to 35,636.51, 49,178.39 and 19,721.02 is: 27,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,636.51 : 49,178.39 = 19,721.02 : x
  2. Step 2: Convert to fraction form
    35,636.51/49,178.39 = 19,721.02/x
  3. Step 3: Cross multiply
    35,636.51x = 49,178.39 × 19,721.02
  4. Step 4: Simplify right side
    35,636.51x = 969,848,012.76
  5. Step 5: Solve for x
    x = 969,848,012.76/35,636.51
  6. Step 6: Final answer
    x = 27,215.01

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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.