Home / 30,279.04-45,361.41-15,497.32

Finding the Fourth Proportional to 30,279.04, 45,361.41 and 15,497.32

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Solution

The fourth proportional to 30,279.04, 45,361.41 and 15,497.32 is: 23,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.04 : 45,361.41 = 15,497.32 : x
  2. Step 2: Convert to fraction form
    30,279.04/45,361.41 = 15,497.32/x
  3. Step 3: Cross multiply
    30,279.04x = 45,361.41 × 15,497.32
  4. Step 4: Simplify right side
    30,279.04x = 702,980,286.42
  5. Step 5: Solve for x
    x = 702,980,286.42/30,279.04
  6. Step 6: Final answer
    x = 23,216.73

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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.