Home / 30,971.36-46,462.64-11,277.56

Finding the Fourth Proportional to 30,971.36, 46,462.64 and 11,277.56

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Solution

The fourth proportional to 30,971.36, 46,462.64 and 11,277.56 is: 16,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,971.36 : 46,462.64 = 11,277.56 : x
  2. Step 2: Convert to fraction form
    30,971.36/46,462.64 = 11,277.56/x
  3. Step 3: Cross multiply
    30,971.36x = 46,462.64 × 11,277.56
  4. Step 4: Simplify right side
    30,971.36x = 523,985,210.36
  5. Step 5: Solve for x
    x = 523,985,210.36/30,971.36
  6. Step 6: Final answer
    x = 16,918.38

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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.