Home / 51,264.08-70,757.32-28,921.04

Finding the Fourth Proportional to 51,264.08, 70,757.32 and 28,921.04

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Solution

The fourth proportional to 51,264.08, 70,757.32 and 28,921.04 is: 39,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,264.08 : 70,757.32 = 28,921.04 : x
  2. Step 2: Convert to fraction form
    51,264.08/70,757.32 = 28,921.04/x
  3. Step 3: Cross multiply
    51,264.08x = 70,757.32 × 28,921.04
  4. Step 4: Simplify right side
    51,264.08x = 2,046,375,282.01
  5. Step 5: Solve for x
    x = 2,046,375,282.01/51,264.08
  6. Step 6: Final answer
    x = 39,918.31

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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.