Home / 51,350.43-70,842.51-31,204.11

Finding the Fourth Proportional to 51,350.43, 70,842.51 and 31,204.11

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Solution

The fourth proportional to 51,350.43, 70,842.51 and 31,204.11 is: 43,048.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,350.43 : 70,842.51 = 31,204.11 : x
  2. Step 2: Convert to fraction form
    51,350.43/70,842.51 = 31,204.11/x
  3. Step 3: Cross multiply
    51,350.43x = 70,842.51 × 31,204.11
  4. Step 4: Simplify right side
    51,350.43x = 2,210,577,474.72
  5. Step 5: Solve for x
    x = 2,210,577,474.72/51,350.43
  6. Step 6: Final answer
    x = 43,048.86

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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.