Home / 40,879.51-61,292.87-19,520.67

Finding the Fourth Proportional to 40,879.51, 61,292.87 and 19,520.67

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Solution

The fourth proportional to 40,879.51, 61,292.87 and 19,520.67 is: 29,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,879.51 : 61,292.87 = 19,520.67 : x
  2. Step 2: Convert to fraction form
    40,879.51/61,292.87 = 19,520.67/x
  3. Step 3: Cross multiply
    40,879.51x = 61,292.87 × 19,520.67
  4. Step 4: Simplify right side
    40,879.51x = 1,196,477,707.58
  5. Step 5: Solve for x
    x = 1,196,477,707.58/40,879.51
  6. Step 6: Final answer
    x = 29,268.40

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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.