Home / 35,981.56-53,970.24-13,794.04

Finding the Fourth Proportional to 35,981.56, 53,970.24 and 13,794.04

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Solution

The fourth proportional to 35,981.56, 53,970.24 and 13,794.04 is: 20,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.56 : 53,970.24 = 13,794.04 : x
  2. Step 2: Convert to fraction form
    35,981.56/53,970.24 = 13,794.04/x
  3. Step 3: Cross multiply
    35,981.56x = 53,970.24 × 13,794.04
  4. Step 4: Simplify right side
    35,981.56x = 744,467,649.37
  5. Step 5: Solve for x
    x = 744,467,649.37/35,981.56
  6. Step 6: Final answer
    x = 20,690.25

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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.