Home / 30,571.36-45,860.18-10,580.81

Finding the Fourth Proportional to 30,571.36, 45,860.18 and 10,580.81

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Solution

The fourth proportional to 30,571.36, 45,860.18 and 10,580.81 is: 15,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,571.36 : 45,860.18 = 10,580.81 : x
  2. Step 2: Convert to fraction form
    30,571.36/45,860.18 = 10,580.81/x
  3. Step 3: Cross multiply
    30,571.36x = 45,860.18 × 10,580.81
  4. Step 4: Simplify right side
    30,571.36x = 485,237,730.17
  5. Step 5: Solve for x
    x = 485,237,730.17/30,571.36
  6. Step 6: Final answer
    x = 15,872.30

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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.