Home / 30,540.33-45,812.93-13,010.31

Finding the Fourth Proportional to 30,540.33, 45,812.93 and 13,010.31

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Solution

The fourth proportional to 30,540.33, 45,812.93 and 13,010.31 is: 19,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,540.33 : 45,812.93 = 13,010.31 : x
  2. Step 2: Convert to fraction form
    30,540.33/45,812.93 = 13,010.31/x
  3. Step 3: Cross multiply
    30,540.33x = 45,812.93 × 13,010.31
  4. Step 4: Simplify right side
    30,540.33x = 596,040,356.26
  5. Step 5: Solve for x
    x = 596,040,356.26/30,540.33
  6. Step 6: Final answer
    x = 19,516.50

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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.