Home / 30,800.04-45,882.21-28,887.72

Finding the Fourth Proportional to 30,800.04, 45,882.21 and 28,887.72

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Solution

The fourth proportional to 30,800.04, 45,882.21 and 28,887.72 is: 43,033.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,800.04 : 45,882.21 = 28,887.72 : x
  2. Step 2: Convert to fraction form
    30,800.04/45,882.21 = 28,887.72/x
  3. Step 3: Cross multiply
    30,800.04x = 45,882.21 × 28,887.72
  4. Step 4: Simplify right side
    30,800.04x = 1,325,432,435.46
  5. Step 5: Solve for x
    x = 1,325,432,435.46/30,800.04
  6. Step 6: Final answer
    x = 43,033.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.