Home / 55,232.10-76,220.76-31,033.56

Finding the Fourth Proportional to 55,232.10, 76,220.76 and 31,033.56

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Solution

The fourth proportional to 55,232.10, 76,220.76 and 31,033.56 is: 42,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,232.10 : 76,220.76 = 31,033.56 : x
  2. Step 2: Convert to fraction form
    55,232.10/76,220.76 = 31,033.56/x
  3. Step 3: Cross multiply
    55,232.10x = 76,220.76 × 31,033.56
  4. Step 4: Simplify right side
    55,232.10x = 2,365,401,528.71
  5. Step 5: Solve for x
    x = 2,365,401,528.71/55,232.10
  6. Step 6: Final answer
    x = 42,826.57

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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.