Home / 43,231.55-59,682.08-30,686.27

Finding the Fourth Proportional to 43,231.55, 59,682.08 and 30,686.27

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Solution

The fourth proportional to 43,231.55, 59,682.08 and 30,686.27 is: 42,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,231.55 : 59,682.08 = 30,686.27 : x
  2. Step 2: Convert to fraction form
    43,231.55/59,682.08 = 30,686.27/x
  3. Step 3: Cross multiply
    43,231.55x = 59,682.08 × 30,686.27
  4. Step 4: Simplify right side
    43,231.55x = 1,831,420,199.35
  5. Step 5: Solve for x
    x = 1,831,420,199.35/43,231.55
  6. Step 6: Final answer
    x = 42,363.05

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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.