Home / 43,038.21-64,561.04-11,873.46

Finding the Fourth Proportional to 43,038.21, 64,561.04 and 11,873.46

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Solution

The fourth proportional to 43,038.21, 64,561.04 and 11,873.46 is: 17,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,038.21 : 64,561.04 = 11,873.46 : x
  2. Step 2: Convert to fraction form
    43,038.21/64,561.04 = 11,873.46/x
  3. Step 3: Cross multiply
    43,038.21x = 64,561.04 × 11,873.46
  4. Step 4: Simplify right side
    43,038.21x = 766,563,057.72
  5. Step 5: Solve for x
    x = 766,563,057.72/43,038.21
  6. Step 6: Final answer
    x = 17,811.22

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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.