Home / 45,423.12-62,669.32-27,512.40

Finding the Fourth Proportional to 45,423.12, 62,669.32 and 27,512.40

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Solution

The fourth proportional to 45,423.12, 62,669.32 and 27,512.40 is: 37,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,423.12 : 62,669.32 = 27,512.40 : x
  2. Step 2: Convert to fraction form
    45,423.12/62,669.32 = 27,512.40/x
  3. Step 3: Cross multiply
    45,423.12x = 62,669.32 × 27,512.40
  4. Step 4: Simplify right side
    45,423.12x = 1,724,183,399.57
  5. Step 5: Solve for x
    x = 1,724,183,399.57/45,423.12
  6. Step 6: Final answer
    x = 37,958.28

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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.