Home / 52,440.75-78,661.73-12,998.21

Finding the Fourth Proportional to 52,440.75, 78,661.73 and 12,998.21

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Solution

The fourth proportional to 52,440.75, 78,661.73 and 12,998.21 is: 19,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,440.75 : 78,661.73 = 12,998.21 : x
  2. Step 2: Convert to fraction form
    52,440.75/78,661.73 = 12,998.21/x
  3. Step 3: Cross multiply
    52,440.75x = 78,661.73 × 12,998.21
  4. Step 4: Simplify right side
    52,440.75x = 1,022,461,324.69
  5. Step 5: Solve for x
    x = 1,022,461,324.69/52,440.75
  6. Step 6: Final answer
    x = 19,497.46

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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.