Home / 29,260.87-40,339.80-18,500.36

Finding the Fourth Proportional to 29,260.87, 40,339.80 and 18,500.36

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Solution

The fourth proportional to 29,260.87, 40,339.80 and 18,500.36 is: 25,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,260.87 : 40,339.80 = 18,500.36 : x
  2. Step 2: Convert to fraction form
    29,260.87/40,339.80 = 18,500.36/x
  3. Step 3: Cross multiply
    29,260.87x = 40,339.80 × 18,500.36
  4. Step 4: Simplify right side
    29,260.87x = 746,300,620.63
  5. Step 5: Solve for x
    x = 746,300,620.63/29,260.87
  6. Step 6: Final answer
    x = 25,505.08

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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.