Home / 32,745.93-45,189.36-18,405.84

Finding the Fourth Proportional to 32,745.93, 45,189.36 and 18,405.84

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Solution

The fourth proportional to 32,745.93, 45,189.36 and 18,405.84 is: 25,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,745.93 : 45,189.36 = 18,405.84 : x
  2. Step 2: Convert to fraction form
    32,745.93/45,189.36 = 18,405.84/x
  3. Step 3: Cross multiply
    32,745.93x = 45,189.36 × 18,405.84
  4. Step 4: Simplify right side
    32,745.93x = 831,748,129.86
  5. Step 5: Solve for x
    x = 831,748,129.86/32,745.93
  6. Step 6: Final answer
    x = 25,400.05

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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.