Home / 39,650.80-54,718.77-21,744.67

Finding the Fourth Proportional to 39,650.80, 54,718.77 and 21,744.67

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Solution

The fourth proportional to 39,650.80, 54,718.77 and 21,744.67 is: 30,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,650.80 : 54,718.77 = 21,744.67 : x
  2. Step 2: Convert to fraction form
    39,650.80/54,718.77 = 21,744.67/x
  3. Step 3: Cross multiply
    39,650.80x = 54,718.77 × 21,744.67
  4. Step 4: Simplify right side
    39,650.80x = 1,189,841,596.46
  5. Step 5: Solve for x
    x = 1,189,841,596.46/39,650.80
  6. Step 6: Final answer
    x = 30,008.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.