Home / 53,012.13-73,161.78-30,352.92

Finding the Fourth Proportional to 53,012.13, 73,161.78 and 30,352.92

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Solution

The fourth proportional to 53,012.13, 73,161.78 and 30,352.92 is: 41,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.13 : 73,161.78 = 30,352.92 : x
  2. Step 2: Convert to fraction form
    53,012.13/73,161.78 = 30,352.92/x
  3. Step 3: Cross multiply
    53,012.13x = 73,161.78 × 30,352.92
  4. Step 4: Simplify right side
    53,012.13x = 2,220,673,655.40
  5. Step 5: Solve for x
    x = 2,220,673,655.40/53,012.13
  6. Step 6: Final answer
    x = 41,889.92

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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.