Home / 49,947.03-68,928.90-28,726.29

Finding the Fourth Proportional to 49,947.03, 68,928.90 and 28,726.29

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Solution

The fourth proportional to 49,947.03, 68,928.90 and 28,726.29 is: 39,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,947.03 : 68,928.90 = 28,726.29 : x
  2. Step 2: Convert to fraction form
    49,947.03/68,928.90 = 28,726.29/x
  3. Step 3: Cross multiply
    49,947.03x = 68,928.90 × 28,726.29
  4. Step 4: Simplify right side
    49,947.03x = 1,980,071,570.78
  5. Step 5: Solve for x
    x = 1,980,071,570.78/49,947.03
  6. Step 6: Final answer
    x = 39,643.43

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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.