Home / 45,757.98-63,134.64-28,765.08

Finding the Fourth Proportional to 45,757.98, 63,134.64 and 28,765.08

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Solution

The fourth proportional to 45,757.98, 63,134.64 and 28,765.08 is: 39,688.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,757.98 : 63,134.64 = 28,765.08 : x
  2. Step 2: Convert to fraction form
    45,757.98/63,134.64 = 28,765.08/x
  3. Step 3: Cross multiply
    45,757.98x = 63,134.64 × 28,765.08
  4. Step 4: Simplify right side
    45,757.98x = 1,816,072,970.37
  5. Step 5: Solve for x
    x = 1,816,072,970.37/45,757.98
  6. Step 6: Final answer
    x = 39,688.66

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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.