Home / 40,928.54-61,395.42-12,849.69

Finding the Fourth Proportional to 40,928.54, 61,395.42 and 12,849.69

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Solution

The fourth proportional to 40,928.54, 61,395.42 and 12,849.69 is: 19,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,928.54 : 61,395.42 = 12,849.69 : x
  2. Step 2: Convert to fraction form
    40,928.54/61,395.42 = 12,849.69/x
  3. Step 3: Cross multiply
    40,928.54x = 61,395.42 × 12,849.69
  4. Step 4: Simplify right side
    40,928.54x = 788,911,975.21
  5. Step 5: Solve for x
    x = 788,911,975.21/40,928.54
  6. Step 6: Final answer
    x = 19,275.35

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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.