Home / 30,419.64-45,629.46-12,877.56

Finding the Fourth Proportional to 30,419.64, 45,629.46 and 12,877.56

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Solution

The fourth proportional to 30,419.64, 45,629.46 and 12,877.56 is: 19,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,419.64 : 45,629.46 = 12,877.56 : x
  2. Step 2: Convert to fraction form
    30,419.64/45,629.46 = 12,877.56/x
  3. Step 3: Cross multiply
    30,419.64x = 45,629.46 × 12,877.56
  4. Step 4: Simplify right side
    30,419.64x = 587,596,108.92
  5. Step 5: Solve for x
    x = 587,596,108.92/30,419.64
  6. Step 6: Final answer
    x = 19,316.34

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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.