Home / 35,857.17-49,478.09-19,938.56

Finding the Fourth Proportional to 35,857.17, 49,478.09 and 19,938.56

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Solution

The fourth proportional to 35,857.17, 49,478.09 and 19,938.56 is: 27,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,857.17 : 49,478.09 = 19,938.56 : x
  2. Step 2: Convert to fraction form
    35,857.17/49,478.09 = 19,938.56/x
  3. Step 3: Cross multiply
    35,857.17x = 49,478.09 × 19,938.56
  4. Step 4: Simplify right side
    35,857.17x = 986,521,519.07
  5. Step 5: Solve for x
    x = 986,521,519.07/35,857.17
  6. Step 6: Final answer
    x = 27,512.53

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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.