Home / 45,001.90-67,483.41-13,829.86

Finding the Fourth Proportional to 45,001.90, 67,483.41 and 13,829.86

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Solution

The fourth proportional to 45,001.90, 67,483.41 and 13,829.86 is: 20,738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,001.90 : 67,483.41 = 13,829.86 : x
  2. Step 2: Convert to fraction form
    45,001.90/67,483.41 = 13,829.86/x
  3. Step 3: Cross multiply
    45,001.90x = 67,483.41 × 13,829.86
  4. Step 4: Simplify right side
    45,001.90x = 933,286,112.62
  5. Step 5: Solve for x
    x = 933,286,112.62/45,001.90
  6. Step 6: Final answer
    x = 20,738.82

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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.