Home / 51,384.76-70,922.41-31,237.38

Finding the Fourth Proportional to 51,384.76, 70,922.41 and 31,237.38

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Solution

The fourth proportional to 51,384.76, 70,922.41 and 31,237.38 is: 43,114.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,384.76 : 70,922.41 = 31,237.38 : x
  2. Step 2: Convert to fraction form
    51,384.76/70,922.41 = 31,237.38/x
  3. Step 3: Cross multiply
    51,384.76x = 70,922.41 × 31,237.38
  4. Step 4: Simplify right side
    51,384.76x = 2,215,429,917.07
  5. Step 5: Solve for x
    x = 2,215,429,917.07/51,384.76
  6. Step 6: Final answer
    x = 43,114.53

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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.