Home / 53,922.90-80,810.51-34,215.30

Finding the Fourth Proportional to 53,922.90, 80,810.51 and 34,215.30

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Solution

The fourth proportional to 53,922.90, 80,810.51 and 34,215.30 is: 51,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,922.90 : 80,810.51 = 34,215.30 : x
  2. Step 2: Convert to fraction form
    53,922.90/80,810.51 = 34,215.30/x
  3. Step 3: Cross multiply
    53,922.90x = 80,810.51 × 34,215.30
  4. Step 4: Simplify right side
    53,922.90x = 2,764,955,842.80
  5. Step 5: Solve for x
    x = 2,764,955,842.80/53,922.90
  6. Step 6: Final answer
    x = 51,276.10

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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.