Home / 39,091.96-58,636.98-11,390.20

Finding the Fourth Proportional to 39,091.96, 58,636.98 and 11,390.20

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Solution

The fourth proportional to 39,091.96, 58,636.98 and 11,390.20 is: 17,085.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,091.96 : 58,636.98 = 11,390.20 : x
  2. Step 2: Convert to fraction form
    39,091.96/58,636.98 = 11,390.20/x
  3. Step 3: Cross multiply
    39,091.96x = 58,636.98 × 11,390.20
  4. Step 4: Simplify right side
    39,091.96x = 667,886,929.60
  5. Step 5: Solve for x
    x = 667,886,929.60/39,091.96
  6. Step 6: Final answer
    x = 17,085.02

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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.