Home / 51,366.78-70,886.25-28,705.77

Finding the Fourth Proportional to 51,366.78, 70,886.25 and 28,705.77

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Solution

The fourth proportional to 51,366.78, 70,886.25 and 28,705.77 is: 39,614.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,366.78 : 70,886.25 = 28,705.77 : x
  2. Step 2: Convert to fraction form
    51,366.78/70,886.25 = 28,705.77/x
  3. Step 3: Cross multiply
    51,366.78x = 70,886.25 × 28,705.77
  4. Step 4: Simplify right side
    51,366.78x = 2,034,844,388.66
  5. Step 5: Solve for x
    x = 2,034,844,388.66/51,366.78
  6. Step 6: Final answer
    x = 39,614.01

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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.