Home / 30,084.40-45,114.18-11,361.25

Finding the Fourth Proportional to 30,084.40, 45,114.18 and 11,361.25

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Solution

The fourth proportional to 30,084.40, 45,114.18 and 11,361.25 is: 17,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,084.40 : 45,114.18 = 11,361.25 : x
  2. Step 2: Convert to fraction form
    30,084.40/45,114.18 = 11,361.25/x
  3. Step 3: Cross multiply
    30,084.40x = 45,114.18 × 11,361.25
  4. Step 4: Simplify right side
    30,084.40x = 512,553,477.53
  5. Step 5: Solve for x
    x = 512,553,477.53/30,084.40
  6. Step 6: Final answer
    x = 17,037.18

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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.