Home / 38,049.60-52,500.96-21,279.36

Finding the Fourth Proportional to 38,049.60, 52,500.96 and 21,279.36

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Solution

The fourth proportional to 38,049.60, 52,500.96 and 21,279.36 is: 29,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,049.60 : 52,500.96 = 21,279.36 : x
  2. Step 2: Convert to fraction form
    38,049.60/52,500.96 = 21,279.36/x
  3. Step 3: Cross multiply
    38,049.60x = 52,500.96 × 21,279.36
  4. Step 4: Simplify right side
    38,049.60x = 1,117,186,828.19
  5. Step 5: Solve for x
    x = 1,117,186,828.19/38,049.60
  6. Step 6: Final answer
    x = 29,361.33

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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.