Home / 35,354.49-53,040.38-11,981.13

Finding the Fourth Proportional to 35,354.49, 53,040.38 and 11,981.13

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Solution

The fourth proportional to 35,354.49, 53,040.38 and 11,981.13 is: 17,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,354.49 : 53,040.38 = 11,981.13 : x
  2. Step 2: Convert to fraction form
    35,354.49/53,040.38 = 11,981.13/x
  3. Step 3: Cross multiply
    35,354.49x = 53,040.38 × 11,981.13
  4. Step 4: Simplify right side
    35,354.49x = 635,483,628.12
  5. Step 5: Solve for x
    x = 635,483,628.12/35,354.49
  6. Step 6: Final answer
    x = 17,974.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.