Home / 51,113.97-70,539.21-30,959.37

Finding the Fourth Proportional to 51,113.97, 70,539.21 and 30,959.37

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Solution

The fourth proportional to 51,113.97, 70,539.21 and 30,959.37 is: 42,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,113.97 : 70,539.21 = 30,959.37 : x
  2. Step 2: Convert to fraction form
    51,113.97/70,539.21 = 30,959.37/x
  3. Step 3: Cross multiply
    51,113.97x = 70,539.21 × 30,959.37
  4. Step 4: Simplify right side
    51,113.97x = 2,183,849,501.90
  5. Step 5: Solve for x
    x = 2,183,849,501.90/51,113.97
  6. Step 6: Final answer
    x = 42,725.10

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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.