Home / 30,000.20-41,399.52-16,570.40

Finding the Fourth Proportional to 30,000.20, 41,399.52 and 16,570.40

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Solution

The fourth proportional to 30,000.20, 41,399.52 and 16,570.40 is: 22,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000.20 : 41,399.52 = 16,570.40 : x
  2. Step 2: Convert to fraction form
    30,000.20/41,399.52 = 16,570.40/x
  3. Step 3: Cross multiply
    30,000.20x = 41,399.52 × 16,570.40
  4. Step 4: Simplify right side
    30,000.20x = 686,006,606.21
  5. Step 5: Solve for x
    x = 686,006,606.21/30,000.20
  6. Step 6: Final answer
    x = 22,866.73

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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.