Home / 54,729.70-82,094.55-19,672.90

Finding the Fourth Proportional to 54,729.70, 82,094.55 and 19,672.90

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Solution

The fourth proportional to 54,729.70, 82,094.55 and 19,672.90 is: 29,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,729.70 : 82,094.55 = 19,672.90 : x
  2. Step 2: Convert to fraction form
    54,729.70/82,094.55 = 19,672.90/x
  3. Step 3: Cross multiply
    54,729.70x = 82,094.55 × 19,672.90
  4. Step 4: Simplify right side
    54,729.70x = 1,615,037,872.70
  5. Step 5: Solve for x
    x = 1,615,037,872.70/54,729.70
  6. Step 6: Final answer
    x = 29,509.35

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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.