Home / 51,040.32-70,434.32-28,378.14

Finding the Fourth Proportional to 51,040.32, 70,434.32 and 28,378.14

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Solution

The fourth proportional to 51,040.32, 70,434.32 and 28,378.14 is: 39,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,040.32 : 70,434.32 = 28,378.14 : x
  2. Step 2: Convert to fraction form
    51,040.32/70,434.32 = 28,378.14/x
  3. Step 3: Cross multiply
    51,040.32x = 70,434.32 × 28,378.14
  4. Step 4: Simplify right side
    51,040.32x = 1,998,794,993.76
  5. Step 5: Solve for x
    x = 1,998,794,993.76/51,040.32
  6. Step 6: Final answer
    x = 39,161.10

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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.