Home / 36,779.60-55,169.40-12,155.60

Finding the Fourth Proportional to 36,779.60, 55,169.40 and 12,155.60

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Solution

The fourth proportional to 36,779.60, 55,169.40 and 12,155.60 is: 18,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,779.60 : 55,169.40 = 12,155.60 : x
  2. Step 2: Convert to fraction form
    36,779.60/55,169.40 = 12,155.60/x
  3. Step 3: Cross multiply
    36,779.60x = 55,169.40 × 12,155.60
  4. Step 4: Simplify right side
    36,779.60x = 670,617,158.64
  5. Step 5: Solve for x
    x = 670,617,158.64/36,779.60
  6. Step 6: Final answer
    x = 18,233.40

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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.