Home / 35,390.56-53,085.36-12,033.28

Finding the Fourth Proportional to 35,390.56, 53,085.36 and 12,033.28

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Solution

The fourth proportional to 35,390.56, 53,085.36 and 12,033.28 is: 18,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,390.56 : 53,085.36 = 12,033.28 : x
  2. Step 2: Convert to fraction form
    35,390.56/53,085.36 = 12,033.28/x
  3. Step 3: Cross multiply
    35,390.56x = 53,085.36 × 12,033.28
  4. Step 4: Simplify right side
    35,390.56x = 638,791,000.78
  5. Step 5: Solve for x
    x = 638,791,000.78/35,390.56
  6. Step 6: Final answer
    x = 18,049.76

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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.