Home / 49,698.80-68,584.38-28,490.40

Finding the Fourth Proportional to 49,698.80, 68,584.38 and 28,490.40

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Solution

The fourth proportional to 49,698.80, 68,584.38 and 28,490.40 is: 39,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,698.80 : 68,584.38 = 28,490.40 : x
  2. Step 2: Convert to fraction form
    49,698.80/68,584.38 = 28,490.40/x
  3. Step 3: Cross multiply
    49,698.80x = 68,584.38 × 28,490.40
  4. Step 4: Simplify right side
    49,698.80x = 1,953,996,419.95
  5. Step 5: Solve for x
    x = 1,953,996,419.95/49,698.80
  6. Step 6: Final answer
    x = 39,316.77

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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.