Home / 34,266.40-51,399.60-20,442.40

Finding the Fourth Proportional to 34,266.40, 51,399.60 and 20,442.40

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Solution

The fourth proportional to 34,266.40, 51,399.60 and 20,442.40 is: 30,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,266.40 : 51,399.60 = 20,442.40 : x
  2. Step 2: Convert to fraction form
    34,266.40/51,399.60 = 20,442.40/x
  3. Step 3: Cross multiply
    34,266.40x = 51,399.60 × 20,442.40
  4. Step 4: Simplify right side
    34,266.40x = 1,050,731,183.04
  5. Step 5: Solve for x
    x = 1,050,731,183.04/34,266.40
  6. Step 6: Final answer
    x = 30,663.60

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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.