Home / 51,212.74-70,673.37-28,551.46

Finding the Fourth Proportional to 51,212.74, 70,673.37 and 28,551.46

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Solution

The fourth proportional to 51,212.74, 70,673.37 and 28,551.46 is: 39,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,212.74 : 70,673.37 = 28,551.46 : x
  2. Step 2: Convert to fraction form
    51,212.74/70,673.37 = 28,551.46/x
  3. Step 3: Cross multiply
    51,212.74x = 70,673.37 × 28,551.46
  4. Step 4: Simplify right side
    51,212.74x = 2,017,827,896.62
  5. Step 5: Solve for x
    x = 2,017,827,896.62/51,212.74
  6. Step 6: Final answer
    x = 39,400.90

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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.