Home / 51,207.84-70,682.76-29,979.36

Finding the Fourth Proportional to 51,207.84, 70,682.76 and 29,979.36

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Solution

The fourth proportional to 51,207.84, 70,682.76 and 29,979.36 is: 41,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,207.84 : 70,682.76 = 29,979.36 : x
  2. Step 2: Convert to fraction form
    51,207.84/70,682.76 = 29,979.36/x
  3. Step 3: Cross multiply
    51,207.84x = 70,682.76 × 29,979.36
  4. Step 4: Simplify right side
    51,207.84x = 2,119,023,907.83
  5. Step 5: Solve for x
    x = 2,119,023,907.83/51,207.84
  6. Step 6: Final answer
    x = 41,380.85

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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.