Home / 35,981.48-53,970.28-11,021.56

Finding the Fourth Proportional to 35,981.48, 53,970.28 and 11,021.56

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Solution

The fourth proportional to 35,981.48, 53,970.28 and 11,021.56 is: 16,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.48 : 53,970.28 = 11,021.56 : x
  2. Step 2: Convert to fraction form
    35,981.48/53,970.28 = 11,021.56/x
  3. Step 3: Cross multiply
    35,981.48x = 53,970.28 × 11,021.56
  4. Step 4: Simplify right side
    35,981.48x = 594,836,679.24
  5. Step 5: Solve for x
    x = 594,836,679.24/35,981.48
  6. Step 6: Final answer
    x = 16,531.75

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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.