Home / 30,980.46-46,464.98-14,109.48

Finding the Fourth Proportional to 30,980.46, 46,464.98 and 14,109.48

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Solution

The fourth proportional to 30,980.46, 46,464.98 and 14,109.48 is: 21,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980.46 : 46,464.98 = 14,109.48 : x
  2. Step 2: Convert to fraction form
    30,980.46/46,464.98 = 14,109.48/x
  3. Step 3: Cross multiply
    30,980.46x = 46,464.98 × 14,109.48
  4. Step 4: Simplify right side
    30,980.46x = 655,596,706.01
  5. Step 5: Solve for x
    x = 655,596,706.01/30,980.46
  6. Step 6: Final answer
    x = 21,161.62

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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.