Home / 45,813.34-68,720.06-12,530.94

Finding the Fourth Proportional to 45,813.34, 68,720.06 and 12,530.94

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Solution

The fourth proportional to 45,813.34, 68,720.06 and 12,530.94 is: 18,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,813.34 : 68,720.06 = 12,530.94 : x
  2. Step 2: Convert to fraction form
    45,813.34/68,720.06 = 12,530.94/x
  3. Step 3: Cross multiply
    45,813.34x = 68,720.06 × 12,530.94
  4. Step 4: Simplify right side
    45,813.34x = 861,126,948.66
  5. Step 5: Solve for x
    x = 861,126,948.66/45,813.34
  6. Step 6: Final answer
    x = 18,796.42

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1.5x scale

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.