Home / 51,440.82-70,984.95-28,775.90

Finding the Fourth Proportional to 51,440.82, 70,984.95 and 28,775.90

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Solution

The fourth proportional to 51,440.82, 70,984.95 and 28,775.90 is: 39,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,440.82 : 70,984.95 = 28,775.90 : x
  2. Step 2: Convert to fraction form
    51,440.82/70,984.95 = 28,775.90/x
  3. Step 3: Cross multiply
    51,440.82x = 70,984.95 × 28,775.90
  4. Step 4: Simplify right side
    51,440.82x = 2,042,655,467.78
  5. Step 5: Solve for x
    x = 2,042,655,467.78/51,440.82
  6. Step 6: Final answer
    x = 39,708.84

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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.