Home / 51,308.46-70,804.94-28,647.81

Finding the Fourth Proportional to 51,308.46, 70,804.94 and 28,647.81

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Solution

The fourth proportional to 51,308.46, 70,804.94 and 28,647.81 is: 39,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,308.46 : 70,804.94 = 28,647.81 : x
  2. Step 2: Convert to fraction form
    51,308.46/70,804.94 = 28,647.81/x
  3. Step 3: Cross multiply
    51,308.46x = 70,804.94 × 28,647.81
  4. Step 4: Simplify right side
    51,308.46x = 2,028,406,566.66
  5. Step 5: Solve for x
    x = 2,028,406,566.66/51,308.46
  6. Step 6: Final answer
    x = 39,533.57

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Why These Related Problems?

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