Home / 36,378.40-54,567.60-11,754.40

Finding the Fourth Proportional to 36,378.40, 54,567.60 and 11,754.40

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Solution

The fourth proportional to 36,378.40, 54,567.60 and 11,754.40 is: 17,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,378.40 : 54,567.60 = 11,754.40 : x
  2. Step 2: Convert to fraction form
    36,378.40/54,567.60 = 11,754.40/x
  3. Step 3: Cross multiply
    36,378.40x = 54,567.60 × 11,754.40
  4. Step 4: Simplify right side
    36,378.40x = 641,409,397.44
  5. Step 5: Solve for x
    x = 641,409,397.44/36,378.40
  6. Step 6: Final answer
    x = 17,631.60

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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.