Home / 38,623.76-53,298.24-21,625.04

Finding the Fourth Proportional to 38,623.76, 53,298.24 and 21,625.04

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Solution

The fourth proportional to 38,623.76, 53,298.24 and 21,625.04 is: 29,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,623.76 : 53,298.24 = 21,625.04 : x
  2. Step 2: Convert to fraction form
    38,623.76/53,298.24 = 21,625.04/x
  3. Step 3: Cross multiply
    38,623.76x = 53,298.24 × 21,625.04
  4. Step 4: Simplify right side
    38,623.76x = 1,152,576,571.93
  5. Step 5: Solve for x
    x = 1,152,576,571.93/38,623.76
  6. Step 6: Final answer
    x = 29,841.13

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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.