Home / 39,081.48-58,540.20-30,721.67

Finding the Fourth Proportional to 39,081.48, 58,540.20 and 30,721.67

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Solution

The fourth proportional to 39,081.48, 58,540.20 and 30,721.67 is: 46,018.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081.48 : 58,540.20 = 30,721.67 : x
  2. Step 2: Convert to fraction form
    39,081.48/58,540.20 = 30,721.67/x
  3. Step 3: Cross multiply
    39,081.48x = 58,540.20 × 30,721.67
  4. Step 4: Simplify right side
    39,081.48x = 1,798,452,706.13
  5. Step 5: Solve for x
    x = 1,798,452,706.13/39,081.48
  6. Step 6: Final answer
    x = 46,018.03

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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.