Home / 51,254.28-70,730.84-28,898.28

Finding the Fourth Proportional to 51,254.28, 70,730.84 and 28,898.28

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Solution

The fourth proportional to 51,254.28, 70,730.84 and 28,898.28 is: 39,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,254.28 : 70,730.84 = 28,898.28 : x
  2. Step 2: Convert to fraction form
    51,254.28/70,730.84 = 28,898.28/x
  3. Step 3: Cross multiply
    51,254.28x = 70,730.84 × 28,898.28
  4. Step 4: Simplify right side
    51,254.28x = 2,043,999,618.96
  5. Step 5: Solve for x
    x = 2,043,999,618.96/51,254.28
  6. Step 6: Final answer
    x = 39,879.59

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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.