Home / 30,742.16-46,100.10-12,961.16

Finding the Fourth Proportional to 30,742.16, 46,100.10 and 12,961.16

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Solution

The fourth proportional to 30,742.16, 46,100.10 and 12,961.16 is: 19,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,742.16 : 46,100.10 = 12,961.16 : x
  2. Step 2: Convert to fraction form
    30,742.16/46,100.10 = 12,961.16/x
  3. Step 3: Cross multiply
    30,742.16x = 46,100.10 × 12,961.16
  4. Step 4: Simplify right side
    30,742.16x = 597,510,772.12
  5. Step 5: Solve for x
    x = 597,510,772.12/30,742.16
  6. Step 6: Final answer
    x = 19,436.20

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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.