Home / 51,576.48-71,189.28-30,362.40

Finding the Fourth Proportional to 51,576.48, 71,189.28 and 30,362.40

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Solution

The fourth proportional to 51,576.48, 71,189.28 and 30,362.40 is: 41,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,576.48 : 71,189.28 = 30,362.40 : x
  2. Step 2: Convert to fraction form
    51,576.48/71,189.28 = 30,362.40/x
  3. Step 3: Cross multiply
    51,576.48x = 71,189.28 × 30,362.40
  4. Step 4: Simplify right side
    51,576.48x = 2,161,477,395.07
  5. Step 5: Solve for x
    x = 2,161,477,395.07/51,576.48
  6. Step 6: Final answer
    x = 41,908.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.