Home / 30,118.87-45,185.46-10,397.59

Finding the Fourth Proportional to 30,118.87, 45,185.46 and 10,397.59

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Solution

The fourth proportional to 30,118.87, 45,185.46 and 10,397.59 is: 15,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.87 : 45,185.46 = 10,397.59 : x
  2. Step 2: Convert to fraction form
    30,118.87/45,185.46 = 10,397.59/x
  3. Step 3: Cross multiply
    30,118.87x = 45,185.46 × 10,397.59
  4. Step 4: Simplify right side
    30,118.87x = 469,819,887.04
  5. Step 5: Solve for x
    x = 469,819,887.04/30,118.87
  6. Step 6: Final answer
    x = 15,598.86

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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.