Home / 38,482.85-53,105.78-21,487.37

Finding the Fourth Proportional to 38,482.85, 53,105.78 and 21,487.37

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Solution

The fourth proportional to 38,482.85, 53,105.78 and 21,487.37 is: 29,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,482.85 : 53,105.78 = 21,487.37 : x
  2. Step 2: Convert to fraction form
    38,482.85/53,105.78 = 21,487.37/x
  3. Step 3: Cross multiply
    38,482.85x = 53,105.78 × 21,487.37
  4. Step 4: Simplify right side
    38,482.85x = 1,141,103,171.03
  5. Step 5: Solve for x
    x = 1,141,103,171.03/38,482.85
  6. Step 6: Final answer
    x = 29,652.26

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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.