Home / 51,240.63-70,718.23-30,019.88

Finding the Fourth Proportional to 51,240.63, 70,718.23 and 30,019.88

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Solution

The fourth proportional to 51,240.63, 70,718.23 and 30,019.88 is: 41,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,240.63 : 70,718.23 = 30,019.88 : x
  2. Step 2: Convert to fraction form
    51,240.63/70,718.23 = 30,019.88/x
  3. Step 3: Cross multiply
    51,240.63x = 70,718.23 × 30,019.88
  4. Step 4: Simplify right side
    51,240.63x = 2,122,952,992.73
  5. Step 5: Solve for x
    x = 2,122,952,992.73/51,240.63
  6. Step 6: Final answer
    x = 41,431.04

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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.