Home / 51,282.12-70,776.30-30,069.84

Finding the Fourth Proportional to 51,282.12, 70,776.30 and 30,069.84

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Solution

The fourth proportional to 51,282.12, 70,776.30 and 30,069.84 is: 41,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,282.12 : 70,776.30 = 30,069.84 : x
  2. Step 2: Convert to fraction form
    51,282.12/70,776.30 = 30,069.84/x
  3. Step 3: Cross multiply
    51,282.12x = 70,776.30 × 30,069.84
  4. Step 4: Simplify right side
    51,282.12x = 2,128,232,016.79
  5. Step 5: Solve for x
    x = 2,128,232,016.79/51,282.12
  6. Step 6: Final answer
    x = 41,500.47

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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.