Home / 35,820.74-53,745.80-18,949.34

Finding the Fourth Proportional to 35,820.74, 53,745.80 and 18,949.34

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Solution

The fourth proportional to 35,820.74, 53,745.80 and 18,949.34 is: 28,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,820.74 : 53,745.80 = 18,949.34 : x
  2. Step 2: Convert to fraction form
    35,820.74/53,745.80 = 18,949.34/x
  3. Step 3: Cross multiply
    35,820.74x = 53,745.80 × 18,949.34
  4. Step 4: Simplify right side
    35,820.74x = 1,018,447,437.77
  5. Step 5: Solve for x
    x = 1,018,447,437.77/35,820.74
  6. Step 6: Final answer
    x = 28,431.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.