Home / 30,137.17-45,199.57-11,410.76

Finding the Fourth Proportional to 30,137.17, 45,199.57 and 11,410.76

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Solution

The fourth proportional to 30,137.17, 45,199.57 and 11,410.76 is: 17,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,137.17 : 45,199.57 = 11,410.76 : x
  2. Step 2: Convert to fraction form
    30,137.17/45,199.57 = 11,410.76/x
  3. Step 3: Cross multiply
    30,137.17x = 45,199.57 × 11,410.76
  4. Step 4: Simplify right side
    30,137.17x = 515,761,445.37
  5. Step 5: Solve for x
    x = 515,761,445.37/30,137.17
  6. Step 6: Final answer
    x = 17,113.80

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