Home / 36,074.39-54,111.60-9,779.13

Finding the Fourth Proportional to 36,074.39, 54,111.60 and 9,779.13

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Solution

The fourth proportional to 36,074.39, 54,111.60 and 9,779.13 is: 14,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,074.39 : 54,111.60 = 9,779.13 : x
  2. Step 2: Convert to fraction form
    36,074.39/54,111.60 = 9,779.13/x
  3. Step 3: Cross multiply
    36,074.39x = 54,111.60 × 9,779.13
  4. Step 4: Simplify right side
    36,074.39x = 529,164,370.91
  5. Step 5: Solve for x
    x = 529,164,370.91/36,074.39
  6. Step 6: Final answer
    x = 14,668.70

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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.