Home / 45,161.66-67,765.62-21,495.98

Finding the Fourth Proportional to 45,161.66, 67,765.62 and 21,495.98

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Solution

The fourth proportional to 45,161.66, 67,765.62 and 21,495.98 is: 32,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,161.66 : 67,765.62 = 21,495.98 : x
  2. Step 2: Convert to fraction form
    45,161.66/67,765.62 = 21,495.98/x
  3. Step 3: Cross multiply
    45,161.66x = 67,765.62 × 21,495.98
  4. Step 4: Simplify right side
    45,161.66x = 1,456,688,412.21
  5. Step 5: Solve for x
    x = 1,456,688,412.21/45,161.66
  6. Step 6: Final answer
    x = 32,254.98

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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.