Home / 30,392.43-45,590.07-9,331.62

Finding the Fourth Proportional to 30,392.43, 45,590.07 and 9,331.62

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Solution

The fourth proportional to 30,392.43, 45,590.07 and 9,331.62 is: 13,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.43 : 45,590.07 = 9,331.62 : x
  2. Step 2: Convert to fraction form
    30,392.43/45,590.07 = 9,331.62/x
  3. Step 3: Cross multiply
    30,392.43x = 45,590.07 × 9,331.62
  4. Step 4: Simplify right side
    30,392.43x = 425,429,209.01
  5. Step 5: Solve for x
    x = 425,429,209.01/30,392.43
  6. Step 6: Final answer
    x = 13,997.87

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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.