Home / 52,745.64-72,790.73-28,872.32

Finding the Fourth Proportional to 52,745.64, 72,790.73 and 28,872.32

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Solution

The fourth proportional to 52,745.64, 72,790.73 and 28,872.32 is: 39,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,745.64 : 72,790.73 = 28,872.32 : x
  2. Step 2: Convert to fraction form
    52,745.64/72,790.73 = 28,872.32/x
  3. Step 3: Cross multiply
    52,745.64x = 72,790.73 × 28,872.32
  4. Step 4: Simplify right side
    52,745.64x = 2,101,636,741.28
  5. Step 5: Solve for x
    x = 2,101,636,741.28/52,745.64
  6. Step 6: Final answer
    x = 39,844.75

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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.