Home / 51,026.29-70,415.90-28,367.35

Finding the Fourth Proportional to 51,026.29, 70,415.90 and 28,367.35

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Solution

The fourth proportional to 51,026.29, 70,415.90 and 28,367.35 is: 39,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,026.29 : 70,415.90 = 28,367.35 : x
  2. Step 2: Convert to fraction form
    51,026.29/70,415.90 = 28,367.35/x
  3. Step 3: Cross multiply
    51,026.29x = 70,415.90 × 28,367.35
  4. Step 4: Simplify right side
    51,026.29x = 1,997,512,269.37
  5. Step 5: Solve for x
    x = 1,997,512,269.37/51,026.29
  6. Step 6: Final answer
    x = 39,146.73

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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.