Home / 51,406.62-70,937.34-28,435.44

Finding the Fourth Proportional to 51,406.62, 70,937.34 and 28,435.44

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Solution

The fourth proportional to 51,406.62, 70,937.34 and 28,435.44 is: 39,238.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,406.62 : 70,937.34 = 28,435.44 : x
  2. Step 2: Convert to fraction form
    51,406.62/70,937.34 = 28,435.44/x
  3. Step 3: Cross multiply
    51,406.62x = 70,937.34 × 28,435.44
  4. Step 4: Simplify right side
    51,406.62x = 2,017,134,475.33
  5. Step 5: Solve for x
    x = 2,017,134,475.33/51,406.62
  6. Step 6: Final answer
    x = 39,238.81

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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.