Home / 51,415.60-70,942.74-30,182.56

Finding the Fourth Proportional to 51,415.60, 70,942.74 and 30,182.56

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Solution

The fourth proportional to 51,415.60, 70,942.74 and 30,182.56 is: 41,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,415.60 : 70,942.74 = 30,182.56 : x
  2. Step 2: Convert to fraction form
    51,415.60/70,942.74 = 30,182.56/x
  3. Step 3: Cross multiply
    51,415.60x = 70,942.74 × 30,182.56
  4. Step 4: Simplify right side
    51,415.60x = 2,141,233,506.61
  5. Step 5: Solve for x
    x = 2,141,233,506.61/51,415.60
  6. Step 6: Final answer
    x = 41,645.60

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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.