Home / 38,622.44-53,294.56-21,624.32

Finding the Fourth Proportional to 38,622.44, 53,294.56 and 21,624.32

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Solution

The fourth proportional to 38,622.44, 53,294.56 and 21,624.32 is: 29,839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,622.44 : 53,294.56 = 21,624.32 : x
  2. Step 2: Convert to fraction form
    38,622.44/53,294.56 = 21,624.32/x
  3. Step 3: Cross multiply
    38,622.44x = 53,294.56 × 21,624.32
  4. Step 4: Simplify right side
    38,622.44x = 1,152,458,619.70
  5. Step 5: Solve for x
    x = 1,152,458,619.70/38,622.44
  6. Step 6: Final answer
    x = 29,839.09

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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.