Home / 45,052.16-67,520.72-21,359.66

Finding the Fourth Proportional to 45,052.16, 67,520.72 and 21,359.66

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Solution

The fourth proportional to 45,052.16, 67,520.72 and 21,359.66 is: 32,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,052.16 : 67,520.72 = 21,359.66 : x
  2. Step 2: Convert to fraction form
    45,052.16/67,520.72 = 21,359.66/x
  3. Step 3: Cross multiply
    45,052.16x = 67,520.72 × 21,359.66
  4. Step 4: Simplify right side
    45,052.16x = 1,442,219,622.16
  5. Step 5: Solve for x
    x = 1,442,219,622.16/45,052.16
  6. Step 6: Final answer
    x = 32,012.22

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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.