Home / 34,984.72-52,451.16-21,130.48

Finding the Fourth Proportional to 34,984.72, 52,451.16 and 21,130.48

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Solution

The fourth proportional to 34,984.72, 52,451.16 and 21,130.48 is: 31,680.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,984.72 : 52,451.16 = 21,130.48 : x
  2. Step 2: Convert to fraction form
    34,984.72/52,451.16 = 21,130.48/x
  3. Step 3: Cross multiply
    34,984.72x = 52,451.16 × 21,130.48
  4. Step 4: Simplify right side
    34,984.72x = 1,108,318,187.36
  5. Step 5: Solve for x
    x = 1,108,318,187.36/34,984.72
  6. Step 6: Final answer
    x = 31,680.06

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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.