Home / 30,032.20-41,443.81-16,604.02

Finding the Fourth Proportional to 30,032.20, 41,443.81 and 16,604.02

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Solution

The fourth proportional to 30,032.20, 41,443.81 and 16,604.02 is: 22,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,032.20 : 41,443.81 = 16,604.02 : x
  2. Step 2: Convert to fraction form
    30,032.20/41,443.81 = 16,604.02/x
  3. Step 3: Cross multiply
    30,032.20x = 41,443.81 × 16,604.02
  4. Step 4: Simplify right side
    30,032.20x = 688,133,850.12
  5. Step 5: Solve for x
    x = 688,133,850.12/30,032.20
  6. Step 6: Final answer
    x = 22,913.20

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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.