Home / 50,485.92-69,671.97-28,977.51

Finding the Fourth Proportional to 50,485.92, 69,671.97 and 28,977.51

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Solution

The fourth proportional to 50,485.92, 69,671.97 and 28,977.51 is: 39,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,485.92 : 69,671.97 = 28,977.51 : x
  2. Step 2: Convert to fraction form
    50,485.92/69,671.97 = 28,977.51/x
  3. Step 3: Cross multiply
    50,485.92x = 69,671.97 × 28,977.51
  4. Step 4: Simplify right side
    50,485.92x = 2,018,920,207.39
  5. Step 5: Solve for x
    x = 2,018,920,207.39/50,485.92
  6. Step 6: Final answer
    x = 39,989.77

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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.