Home / 51,005.43-70,383.01-28,342.98

Finding the Fourth Proportional to 51,005.43, 70,383.01 and 28,342.98

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Solution

The fourth proportional to 51,005.43, 70,383.01 and 28,342.98 is: 39,110.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,005.43 : 70,383.01 = 28,342.98 : x
  2. Step 2: Convert to fraction form
    51,005.43/70,383.01 = 28,342.98/x
  3. Step 3: Cross multiply
    51,005.43x = 70,383.01 × 28,342.98
  4. Step 4: Simplify right side
    51,005.43x = 1,994,864,103.05
  5. Step 5: Solve for x
    x = 1,994,864,103.05/51,005.43
  6. Step 6: Final answer
    x = 39,110.82

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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.