Home / 30,287.58-45,388.83-25,822.15

Finding the Fourth Proportional to 30,287.58, 45,388.83 and 25,822.15

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Solution

The fourth proportional to 30,287.58, 45,388.83 and 25,822.15 is: 38,696.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287.58 : 45,388.83 = 25,822.15 : x
  2. Step 2: Convert to fraction form
    30,287.58/45,388.83 = 25,822.15/x
  3. Step 3: Cross multiply
    30,287.58x = 45,388.83 × 25,822.15
  4. Step 4: Simplify right side
    30,287.58x = 1,172,037,176.58
  5. Step 5: Solve for x
    x = 1,172,037,176.58/30,287.58
  6. Step 6: Final answer
    x = 38,696.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.