Home / 53,908.20-80,775.90-34,151.40

Finding the Fourth Proportional to 53,908.20, 80,775.90 and 34,151.40

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Solution

The fourth proportional to 53,908.20, 80,775.90 and 34,151.40 is: 51,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,908.20 : 80,775.90 = 34,151.40 : x
  2. Step 2: Convert to fraction form
    53,908.20/80,775.90 = 34,151.40/x
  3. Step 3: Cross multiply
    53,908.20x = 80,775.90 × 34,151.40
  4. Step 4: Simplify right side
    53,908.20x = 2,758,610,071.26
  5. Step 5: Solve for x
    x = 2,758,610,071.26/53,908.20
  6. Step 6: Final answer
    x = 51,172.36

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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.