Home / 49,653.18-68,525.28-28,439.28

Finding the Fourth Proportional to 49,653.18, 68,525.28 and 28,439.28

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Solution

The fourth proportional to 49,653.18, 68,525.28 and 28,439.28 is: 39,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,653.18 : 68,525.28 = 28,439.28 : x
  2. Step 2: Convert to fraction form
    49,653.18/68,525.28 = 28,439.28/x
  3. Step 3: Cross multiply
    49,653.18x = 68,525.28 × 28,439.28
  4. Step 4: Simplify right side
    49,653.18x = 1,948,809,625.00
  5. Step 5: Solve for x
    x = 1,948,809,625.00/49,653.18
  6. Step 6: Final answer
    x = 39,248.44

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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.