Home / 51,469.32-71,011.48-28,804.72

Finding the Fourth Proportional to 51,469.32, 71,011.48 and 28,804.72

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Solution

The fourth proportional to 51,469.32, 71,011.48 and 28,804.72 is: 39,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,469.32 : 71,011.48 = 28,804.72 : x
  2. Step 2: Convert to fraction form
    51,469.32/71,011.48 = 28,804.72/x
  3. Step 3: Cross multiply
    51,469.32x = 71,011.48 × 28,804.72
  4. Step 4: Simplify right side
    51,469.32x = 2,045,465,798.19
  5. Step 5: Solve for x
    x = 2,045,465,798.19/51,469.32
  6. Step 6: Final answer
    x = 39,741.46

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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.