Home / 35,619.90-53,434.74-12,243.30

Finding the Fourth Proportional to 35,619.90, 53,434.74 and 12,243.30

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Solution

The fourth proportional to 35,619.90, 53,434.74 and 12,243.30 is: 18,366.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,619.90 : 53,434.74 = 12,243.30 : x
  2. Step 2: Convert to fraction form
    35,619.90/53,434.74 = 12,243.30/x
  3. Step 3: Cross multiply
    35,619.90x = 53,434.74 × 12,243.30
  4. Step 4: Simplify right side
    35,619.90x = 654,217,552.24
  5. Step 5: Solve for x
    x = 654,217,552.24/35,619.90
  6. Step 6: Final answer
    x = 18,366.63

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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.