Home / 51,112.56-70,535.30-28,451.06

Finding the Fourth Proportional to 51,112.56, 70,535.30 and 28,451.06

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Solution

The fourth proportional to 51,112.56, 70,535.30 and 28,451.06 is: 39,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,112.56 : 70,535.30 = 28,451.06 : x
  2. Step 2: Convert to fraction form
    51,112.56/70,535.30 = 28,451.06/x
  3. Step 3: Cross multiply
    51,112.56x = 70,535.30 × 28,451.06
  4. Step 4: Simplify right side
    51,112.56x = 2,006,804,052.42
  5. Step 5: Solve for x
    x = 2,006,804,052.42/51,112.56
  6. Step 6: Final answer
    x = 39,262.44

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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.