Home / 32,858.55-45,342.35-20,106.53

Finding the Fourth Proportional to 32,858.55, 45,342.35 and 20,106.53

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Solution

The fourth proportional to 32,858.55, 45,342.35 and 20,106.53 is: 27,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,858.55 : 45,342.35 = 20,106.53 : x
  2. Step 2: Convert to fraction form
    32,858.55/45,342.35 = 20,106.53/x
  3. Step 3: Cross multiply
    32,858.55x = 45,342.35 × 20,106.53
  4. Step 4: Simplify right side
    32,858.55x = 911,676,993.30
  5. Step 5: Solve for x
    x = 911,676,993.30/32,858.55
  6. Step 6: Final answer
    x = 27,745.50

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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.