Home / 51,112.30-70,534.96-28,450.80

Finding the Fourth Proportional to 51,112.30, 70,534.96 and 28,450.80

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Solution

The fourth proportional to 51,112.30, 70,534.96 and 28,450.80 is: 39,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,112.30 : 70,534.96 = 28,450.80 : x
  2. Step 2: Convert to fraction form
    51,112.30/70,534.96 = 28,450.80/x
  3. Step 3: Cross multiply
    51,112.30x = 70,534.96 × 28,450.80
  4. Step 4: Simplify right side
    51,112.30x = 2,006,776,039.97
  5. Step 5: Solve for x
    x = 2,006,776,039.97/51,112.30
  6. Step 6: Final answer
    x = 39,262.10

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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.