Home / 30,363.18-41,901.42-16,935.30

Finding the Fourth Proportional to 30,363.18, 41,901.42 and 16,935.30

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Solution

The fourth proportional to 30,363.18, 41,901.42 and 16,935.30 is: 23,370.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363.18 : 41,901.42 = 16,935.30 : x
  2. Step 2: Convert to fraction form
    30,363.18/41,901.42 = 16,935.30/x
  3. Step 3: Cross multiply
    30,363.18x = 41,901.42 × 16,935.30
  4. Step 4: Simplify right side
    30,363.18x = 709,613,118.13
  5. Step 5: Solve for x
    x = 709,613,118.13/30,363.18
  6. Step 6: Final answer
    x = 23,370.84

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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.