Home / 54,030.96-81,053.46-20,307.96

Finding the Fourth Proportional to 54,030.96, 81,053.46 and 20,307.96

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Solution

The fourth proportional to 54,030.96, 81,053.46 and 20,307.96 is: 30,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,030.96 : 81,053.46 = 20,307.96 : x
  2. Step 2: Convert to fraction form
    54,030.96/81,053.46 = 20,307.96/x
  3. Step 3: Cross multiply
    54,030.96x = 81,053.46 × 20,307.96
  4. Step 4: Simplify right side
    54,030.96x = 1,646,030,423.54
  5. Step 5: Solve for x
    x = 1,646,030,423.54/54,030.96
  6. Step 6: Final answer
    x = 30,464.58

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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.