Home / 51,251.34-70,726.96-28,589.76

Finding the Fourth Proportional to 51,251.34, 70,726.96 and 28,589.76

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Solution

The fourth proportional to 51,251.34, 70,726.96 and 28,589.76 is: 39,453.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,251.34 : 70,726.96 = 28,589.76 : x
  2. Step 2: Convert to fraction form
    51,251.34/70,726.96 = 28,589.76/x
  3. Step 3: Cross multiply
    51,251.34x = 70,726.96 × 28,589.76
  4. Step 4: Simplify right side
    51,251.34x = 2,022,066,917.27
  5. Step 5: Solve for x
    x = 2,022,066,917.27/51,251.34
  6. Step 6: Final answer
    x = 39,453.94

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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.