Home / 30,305.39-45,469.04-15,521.27

Finding the Fourth Proportional to 30,305.39, 45,469.04 and 15,521.27

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Solution

The fourth proportional to 30,305.39, 45,469.04 and 15,521.27 is: 23,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.39 : 45,469.04 = 15,521.27 : x
  2. Step 2: Convert to fraction form
    30,305.39/45,469.04 = 15,521.27/x
  3. Step 3: Cross multiply
    30,305.39x = 45,469.04 × 15,521.27
  4. Step 4: Simplify right side
    30,305.39x = 705,736,941.53
  5. Step 5: Solve for x
    x = 705,736,941.53/30,305.39
  6. Step 6: Final answer
    x = 23,287.51

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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.