Home / 30,719.16-46,040.40-13,168.62

Finding the Fourth Proportional to 30,719.16, 46,040.40 and 13,168.62

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Solution

The fourth proportional to 30,719.16, 46,040.40 and 13,168.62 is: 19,736.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719.16 : 46,040.40 = 13,168.62 : x
  2. Step 2: Convert to fraction form
    30,719.16/46,040.40 = 13,168.62/x
  3. Step 3: Cross multiply
    30,719.16x = 46,040.40 × 13,168.62
  4. Step 4: Simplify right side
    30,719.16x = 606,288,532.25
  5. Step 5: Solve for x
    x = 606,288,532.25/30,719.16
  6. Step 6: Final answer
    x = 19,736.49

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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.