Home / 35,790.85-53,705.58-21,028.60

Finding the Fourth Proportional to 35,790.85, 53,705.58 and 21,028.60

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Solution

The fourth proportional to 35,790.85, 53,705.58 and 21,028.60 is: 31,554.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,790.85 : 53,705.58 = 21,028.60 : x
  2. Step 2: Convert to fraction form
    35,790.85/53,705.58 = 21,028.60/x
  3. Step 3: Cross multiply
    35,790.85x = 53,705.58 × 21,028.60
  4. Step 4: Simplify right side
    35,790.85x = 1,129,353,159.59
  5. Step 5: Solve for x
    x = 1,129,353,159.59/35,790.85
  6. Step 6: Final answer
    x = 31,554.24

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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.