Home / 50,998.47-70,377.83-28,339.57

Finding the Fourth Proportional to 50,998.47, 70,377.83 and 28,339.57

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Solution

The fourth proportional to 50,998.47, 70,377.83 and 28,339.57 is: 39,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,998.47 : 70,377.83 = 28,339.57 : x
  2. Step 2: Convert to fraction form
    50,998.47/70,377.83 = 28,339.57/x
  3. Step 3: Cross multiply
    50,998.47x = 70,377.83 × 28,339.57
  4. Step 4: Simplify right side
    50,998.47x = 1,994,477,298.04
  5. Step 5: Solve for x
    x = 1,994,477,298.04/50,998.47
  6. Step 6: Final answer
    x = 39,108.58

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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.