Home / 40,530.25-60,795.65-12,828.25

Finding the Fourth Proportional to 40,530.25, 60,795.65 and 12,828.25

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Solution

The fourth proportional to 40,530.25, 60,795.65 and 12,828.25 is: 19,242.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,530.25 : 60,795.65 = 12,828.25 : x
  2. Step 2: Convert to fraction form
    40,530.25/60,795.65 = 12,828.25/x
  3. Step 3: Cross multiply
    40,530.25x = 60,795.65 × 12,828.25
  4. Step 4: Simplify right side
    40,530.25x = 779,901,797.11
  5. Step 5: Solve for x
    x = 779,901,797.11/40,530.25
  6. Step 6: Final answer
    x = 19,242.46

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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.