Home / 35,429.10-53,131.05-15,672.30

Finding the Fourth Proportional to 35,429.10, 53,131.05 and 15,672.30

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Solution

The fourth proportional to 35,429.10, 53,131.05 and 15,672.30 is: 23,502.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,429.10 : 53,131.05 = 15,672.30 : x
  2. Step 2: Convert to fraction form
    35,429.10/53,131.05 = 15,672.30/x
  3. Step 3: Cross multiply
    35,429.10x = 53,131.05 × 15,672.30
  4. Step 4: Simplify right side
    35,429.10x = 832,685,754.92
  5. Step 5: Solve for x
    x = 832,685,754.92/35,429.10
  6. Step 6: Final answer
    x = 23,502.88

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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.