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Finding the Fourth Proportional to 30,627, 45,928.60 and 11,904.56

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Solution

The fourth proportional to 30,627, 45,928.60 and 11,904.56 is: 17,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,627 : 45,928.60 = 11,904.56 : x
  2. Step 2: Convert to fraction form
    30,627/45,928.60 = 11,904.56/x
  3. Step 3: Cross multiply
    30,627x = 45,928.60 × 11,904.56
  4. Step 4: Simplify right side
    30,627x = 546,759,774.42
  5. Step 5: Solve for x
    x = 546,759,774.42/30,627
  6. Step 6: Final answer
    x = 17,852.21

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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.