Home / 39,650.82-54,718.08-21,746.12

Finding the Fourth Proportional to 39,650.82, 54,718.08 and 21,746.12

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Solution

The fourth proportional to 39,650.82, 54,718.08 and 21,746.12 is: 30,009.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,650.82 : 54,718.08 = 21,746.12 : x
  2. Step 2: Convert to fraction form
    39,650.82/54,718.08 = 21,746.12/x
  3. Step 3: Cross multiply
    39,650.82x = 54,718.08 × 21,746.12
  4. Step 4: Simplify right side
    39,650.82x = 1,189,905,933.85
  5. Step 5: Solve for x
    x = 1,189,905,933.85/39,650.82
  6. Step 6: Final answer
    x = 30,009.62

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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.