Home / 51,179.57-70,628.31-29,959.28

Finding the Fourth Proportional to 51,179.57, 70,628.31 and 29,959.28

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Solution

The fourth proportional to 51,179.57, 70,628.31 and 29,959.28 is: 41,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,179.57 : 70,628.31 = 29,959.28 : x
  2. Step 2: Convert to fraction form
    51,179.57/70,628.31 = 29,959.28/x
  3. Step 3: Cross multiply
    51,179.57x = 70,628.31 × 29,959.28
  4. Step 4: Simplify right side
    51,179.57x = 2,115,973,315.22
  5. Step 5: Solve for x
    x = 2,115,973,315.22/51,179.57
  6. Step 6: Final answer
    x = 41,344.10

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1.5x scale

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.