Home / 45,108.53-67,618.17-21,374.39

Finding the Fourth Proportional to 45,108.53, 67,618.17 and 21,374.39

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Solution

The fourth proportional to 45,108.53, 67,618.17 and 21,374.39 is: 32,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,108.53 : 67,618.17 = 21,374.39 : x
  2. Step 2: Convert to fraction form
    45,108.53/67,618.17 = 21,374.39/x
  3. Step 3: Cross multiply
    45,108.53x = 67,618.17 × 21,374.39
  4. Step 4: Simplify right side
    45,108.53x = 1,445,296,798.58
  5. Step 5: Solve for x
    x = 1,445,296,798.58/45,108.53
  6. Step 6: Final answer
    x = 32,040.44

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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.