Home / 37,645.84-51,949.38-21,729.34

Finding the Fourth Proportional to 37,645.84, 51,949.38 and 21,729.34

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Solution

The fourth proportional to 37,645.84, 51,949.38 and 21,729.34 is: 29,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,645.84 : 51,949.38 = 21,729.34 : x
  2. Step 2: Convert to fraction form
    37,645.84/51,949.38 = 21,729.34/x
  3. Step 3: Cross multiply
    37,645.84x = 51,949.38 × 21,729.34
  4. Step 4: Simplify right side
    37,645.84x = 1,128,825,740.81
  5. Step 5: Solve for x
    x = 1,128,825,740.81/37,645.84
  6. Step 6: Final answer
    x = 29,985.40

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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.