Home / 36,240.87-49,999.40-28,688.43

Finding the Fourth Proportional to 36,240.87, 49,999.40 and 28,688.43

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Solution

The fourth proportional to 36,240.87, 49,999.40 and 28,688.43 is: 39,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,240.87 : 49,999.40 = 28,688.43 : x
  2. Step 2: Convert to fraction form
    36,240.87/49,999.40 = 28,688.43/x
  3. Step 3: Cross multiply
    36,240.87x = 49,999.40 × 28,688.43
  4. Step 4: Simplify right side
    36,240.87x = 1,434,404,143.50
  5. Step 5: Solve for x
    x = 1,434,404,143.50/36,240.87
  6. Step 6: Final answer
    x = 39,579.74

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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.