Home / 30,431.64-45,572.92-25,134.24

Finding the Fourth Proportional to 30,431.64, 45,572.92 and 25,134.24

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Solution

The fourth proportional to 30,431.64, 45,572.92 and 25,134.24 is: 37,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,431.64 : 45,572.92 = 25,134.24 : x
  2. Step 2: Convert to fraction form
    30,431.64/45,572.92 = 25,134.24/x
  3. Step 3: Cross multiply
    30,431.64x = 45,572.92 × 25,134.24
  4. Step 4: Simplify right side
    30,431.64x = 1,145,440,708.78
  5. Step 5: Solve for x
    x = 1,145,440,708.78/30,431.64
  6. Step 6: Final answer
    x = 37,639.80

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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.