Home / 38,650.16-53,324.72-21,651.92

Finding the Fourth Proportional to 38,650.16, 53,324.72 and 21,651.92

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Solution

The fourth proportional to 38,650.16, 53,324.72 and 21,651.92 is: 29,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,650.16 : 53,324.72 = 21,651.92 : x
  2. Step 2: Convert to fraction form
    38,650.16/53,324.72 = 21,651.92/x
  3. Step 3: Cross multiply
    38,650.16x = 53,324.72 × 21,651.92
  4. Step 4: Simplify right side
    38,650.16x = 1,154,582,571.46
  5. Step 5: Solve for x
    x = 1,154,582,571.46/38,650.16
  6. Step 6: Final answer
    x = 29,872.65

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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.