Home / 51,373.15-70,894.68-28,712.11

Finding the Fourth Proportional to 51,373.15, 70,894.68 and 28,712.11

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Solution

The fourth proportional to 51,373.15, 70,894.68 and 28,712.11 is: 39,622.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,373.15 : 70,894.68 = 28,712.11 : x
  2. Step 2: Convert to fraction form
    51,373.15/70,894.68 = 28,712.11/x
  3. Step 3: Cross multiply
    51,373.15x = 70,894.68 × 28,712.11
  4. Step 4: Simplify right side
    51,373.15x = 2,035,535,850.57
  5. Step 5: Solve for x
    x = 2,035,535,850.57/51,373.15
  6. Step 6: Final answer
    x = 39,622.56

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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.