Home / 51,026-70,414.60-28,365.04

Finding the Fourth Proportional to 51,026, 70,414.60 and 28,365.04

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Solution

The fourth proportional to 51,026, 70,414.60 and 28,365.04 is: 39,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,026 : 70,414.60 = 28,365.04 : x
  2. Step 2: Convert to fraction form
    51,026/70,414.60 = 28,365.04/x
  3. Step 3: Cross multiply
    51,026x = 70,414.60 × 28,365.04
  4. Step 4: Simplify right side
    51,026x = 1,997,312,945.58
  5. Step 5: Solve for x
    x = 1,997,312,945.58/51,026
  6. Step 6: Final answer
    x = 39,143.04

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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.