Home / 35,973.88-49,630.93-20,858.22

Finding the Fourth Proportional to 35,973.88, 49,630.93 and 20,858.22

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Solution

The fourth proportional to 35,973.88, 49,630.93 and 20,858.22 is: 28,776.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,973.88 : 49,630.93 = 20,858.22 : x
  2. Step 2: Convert to fraction form
    35,973.88/49,630.93 = 20,858.22/x
  3. Step 3: Cross multiply
    35,973.88x = 49,630.93 × 20,858.22
  4. Step 4: Simplify right side
    35,973.88x = 1,035,212,804.60
  5. Step 5: Solve for x
    x = 1,035,212,804.60/35,973.88
  6. Step 6: Final answer
    x = 28,776.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.