Home / 43,038.89-64,562.06-11,874.14

Finding the Fourth Proportional to 43,038.89, 64,562.06 and 11,874.14

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Solution

The fourth proportional to 43,038.89, 64,562.06 and 11,874.14 is: 17,812.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,038.89 : 64,562.06 = 11,874.14 : x
  2. Step 2: Convert to fraction form
    43,038.89/64,562.06 = 11,874.14/x
  3. Step 3: Cross multiply
    43,038.89x = 64,562.06 × 11,874.14
  4. Step 4: Simplify right side
    43,038.89x = 766,619,041.16
  5. Step 5: Solve for x
    x = 766,619,041.16/43,038.89
  6. Step 6: Final answer
    x = 17,812.24

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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.