Home / 51,112.68-70,535.70-28,755.24

Finding the Fourth Proportional to 51,112.68, 70,535.70 and 28,755.24

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Solution

The fourth proportional to 51,112.68, 70,535.70 and 28,755.24 is: 39,682.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,112.68 : 70,535.70 = 28,755.24 : x
  2. Step 2: Convert to fraction form
    51,112.68/70,535.70 = 28,755.24/x
  3. Step 3: Cross multiply
    51,112.68x = 70,535.70 × 28,755.24
  4. Step 4: Simplify right side
    51,112.68x = 2,028,270,982.07
  5. Step 5: Solve for x
    x = 2,028,270,982.07/51,112.68
  6. Step 6: Final answer
    x = 39,682.34

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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.