Home / 30,685.22-46,061.99-15,890.16

Finding the Fourth Proportional to 30,685.22, 46,061.99 and 15,890.16

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Solution

The fourth proportional to 30,685.22, 46,061.99 and 15,890.16 is: 23,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,685.22 : 46,061.99 = 15,890.16 : x
  2. Step 2: Convert to fraction form
    30,685.22/46,061.99 = 15,890.16/x
  3. Step 3: Cross multiply
    30,685.22x = 46,061.99 × 15,890.16
  4. Step 4: Simplify right side
    30,685.22x = 731,932,311.57
  5. Step 5: Solve for x
    x = 731,932,311.57/30,685.22
  6. Step 6: Final answer
    x = 23,852.93

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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.