Home / 35,405.31-53,070.77-17,838.30

Finding the Fourth Proportional to 35,405.31, 53,070.77 and 17,838.30

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Solution

The fourth proportional to 35,405.31, 53,070.77 and 17,838.30 is: 26,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.31 : 53,070.77 = 17,838.30 : x
  2. Step 2: Convert to fraction form
    35,405.31/53,070.77 = 17,838.30/x
  3. Step 3: Cross multiply
    35,405.31x = 53,070.77 × 17,838.30
  4. Step 4: Simplify right side
    35,405.31x = 946,692,361.09
  5. Step 5: Solve for x
    x = 946,692,361.09/35,405.31
  6. Step 6: Final answer
    x = 26,738.71

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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.