Home / 49,579.31-68,416.67-28,889.11

Finding the Fourth Proportional to 49,579.31, 68,416.67 and 28,889.11

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Solution

The fourth proportional to 49,579.31, 68,416.67 and 28,889.11 is: 39,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,579.31 : 68,416.67 = 28,889.11 : x
  2. Step 2: Convert to fraction form
    49,579.31/68,416.67 = 28,889.11/x
  3. Step 3: Cross multiply
    49,579.31x = 68,416.67 × 28,889.11
  4. Step 4: Simplify right side
    49,579.31x = 1,976,496,705.46
  5. Step 5: Solve for x
    x = 1,976,496,705.46/49,579.31
  6. Step 6: Final answer
    x = 39,865.35

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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.