Home / 45,834.40-68,794.80-28,338.40

Finding the Fourth Proportional to 45,834.40, 68,794.80 and 28,338.40

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Solution

The fourth proportional to 45,834.40, 68,794.80 and 28,338.40 is: 42,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,834.40 : 68,794.80 = 28,338.40 : x
  2. Step 2: Convert to fraction form
    45,834.40/68,794.80 = 28,338.40/x
  3. Step 3: Cross multiply
    45,834.40x = 68,794.80 × 28,338.40
  4. Step 4: Simplify right side
    45,834.40x = 1,949,534,560.32
  5. Step 5: Solve for x
    x = 1,949,534,560.32/45,834.40
  6. Step 6: Final answer
    x = 42,534.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.