Home / 39,723.75-59,585.76-12,021.75

Finding the Fourth Proportional to 39,723.75, 59,585.76 and 12,021.75

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Solution

The fourth proportional to 39,723.75, 59,585.76 and 12,021.75 is: 18,032.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,723.75 : 59,585.76 = 12,021.75 : x
  2. Step 2: Convert to fraction form
    39,723.75/59,585.76 = 12,021.75/x
  3. Step 3: Cross multiply
    39,723.75x = 59,585.76 × 12,021.75
  4. Step 4: Simplify right side
    39,723.75x = 716,325,110.28
  5. Step 5: Solve for x
    x = 716,325,110.28/39,723.75
  6. Step 6: Final answer
    x = 18,032.67

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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.