Home / 30,903.12-46,361.88-10,125.36

Finding the Fourth Proportional to 30,903.12, 46,361.88 and 10,125.36

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Solution

The fourth proportional to 30,903.12, 46,361.88 and 10,125.36 is: 15,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.12 : 46,361.88 = 10,125.36 : x
  2. Step 2: Convert to fraction form
    30,903.12/46,361.88 = 10,125.36/x
  3. Step 3: Cross multiply
    30,903.12x = 46,361.88 × 10,125.36
  4. Step 4: Simplify right side
    30,903.12x = 469,430,725.28
  5. Step 5: Solve for x
    x = 469,430,725.28/30,903.12
  6. Step 6: Final answer
    x = 15,190.40

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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.