Home / 43,230.96-64,853.15-18,271.12

Finding the Fourth Proportional to 43,230.96, 64,853.15 and 18,271.12

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Solution

The fourth proportional to 43,230.96, 64,853.15 and 18,271.12 is: 27,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,230.96 : 64,853.15 = 18,271.12 : x
  2. Step 2: Convert to fraction form
    43,230.96/64,853.15 = 18,271.12/x
  3. Step 3: Cross multiply
    43,230.96x = 64,853.15 × 18,271.12
  4. Step 4: Simplify right side
    43,230.96x = 1,184,939,598.69
  5. Step 5: Solve for x
    x = 1,184,939,598.69/43,230.96
  6. Step 6: Final answer
    x = 27,409.51

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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.