Home / 38,072.45-52,539.21-21,076.70

Finding the Fourth Proportional to 38,072.45, 52,539.21 and 21,076.70

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Solution

The fourth proportional to 38,072.45, 52,539.21 and 21,076.70 is: 29,085.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072.45 : 52,539.21 = 21,076.70 : x
  2. Step 2: Convert to fraction form
    38,072.45/52,539.21 = 21,076.70/x
  3. Step 3: Cross multiply
    38,072.45x = 52,539.21 × 21,076.70
  4. Step 4: Simplify right side
    38,072.45x = 1,107,352,904.71
  5. Step 5: Solve for x
    x = 1,107,352,904.71/38,072.45
  6. Step 6: Final answer
    x = 29,085.42

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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.