Home / 51,346.41-70,857.30-28,685.73

Finding the Fourth Proportional to 51,346.41, 70,857.30 and 28,685.73

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Solution

The fourth proportional to 51,346.41, 70,857.30 and 28,685.73 is: 39,585.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,346.41 : 70,857.30 = 28,685.73 : x
  2. Step 2: Convert to fraction form
    51,346.41/70,857.30 = 28,685.73/x
  3. Step 3: Cross multiply
    51,346.41x = 70,857.30 × 28,685.73
  4. Step 4: Simplify right side
    51,346.41x = 2,032,593,376.33
  5. Step 5: Solve for x
    x = 2,032,593,376.33/51,346.41
  6. Step 6: Final answer
    x = 39,585.89

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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.