Home / 34,342.60-51,516.30-13,563.40

Finding the Fourth Proportional to 34,342.60, 51,516.30 and 13,563.40

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Solution

The fourth proportional to 34,342.60, 51,516.30 and 13,563.40 is: 20,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,342.60 : 51,516.30 = 13,563.40 : x
  2. Step 2: Convert to fraction form
    34,342.60/51,516.30 = 13,563.40/x
  3. Step 3: Cross multiply
    34,342.60x = 51,516.30 × 13,563.40
  4. Step 4: Simplify right side
    34,342.60x = 698,736,183.42
  5. Step 5: Solve for x
    x = 698,736,183.42/34,342.60
  6. Step 6: Final answer
    x = 20,346.05

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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.