Home / 51,341.84-70,852.24-30,121.44

Finding the Fourth Proportional to 51,341.84, 70,852.24 and 30,121.44

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Solution

The fourth proportional to 51,341.84, 70,852.24 and 30,121.44 is: 41,567.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,341.84 : 70,852.24 = 30,121.44 : x
  2. Step 2: Convert to fraction form
    51,341.84/70,852.24 = 30,121.44/x
  3. Step 3: Cross multiply
    51,341.84x = 70,852.24 × 30,121.44
  4. Step 4: Simplify right side
    51,341.84x = 2,134,171,496.03
  5. Step 5: Solve for x
    x = 2,134,171,496.03/51,341.84
  6. Step 6: Final answer
    x = 41,567.88

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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.