Home / 39,492.45-59,241.78-13,197.30

Finding the Fourth Proportional to 39,492.45, 59,241.78 and 13,197.30

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Solution

The fourth proportional to 39,492.45, 59,241.78 and 13,197.30 is: 19,796.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,492.45 : 59,241.78 = 13,197.30 : x
  2. Step 2: Convert to fraction form
    39,492.45/59,241.78 = 13,197.30/x
  3. Step 3: Cross multiply
    39,492.45x = 59,241.78 × 13,197.30
  4. Step 4: Simplify right side
    39,492.45x = 781,831,543.19
  5. Step 5: Solve for x
    x = 781,831,543.19/39,492.45
  6. Step 6: Final answer
    x = 19,796.99

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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.