Home / 45,295.72-67,948.97-21,905.35

Finding the Fourth Proportional to 45,295.72, 67,948.97 and 21,905.35

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Solution

The fourth proportional to 45,295.72, 67,948.97 and 21,905.35 is: 32,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,295.72 : 67,948.97 = 21,905.35 : x
  2. Step 2: Convert to fraction form
    45,295.72/67,948.97 = 21,905.35/x
  3. Step 3: Cross multiply
    45,295.72x = 67,948.97 × 21,905.35
  4. Step 4: Simplify right side
    45,295.72x = 1,488,445,854.88
  5. Step 5: Solve for x
    x = 1,488,445,854.88/45,295.72
  6. Step 6: Final answer
    x = 32,860.63

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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.