Home / 53,810.20-80,715.30-34,127.20

Finding the Fourth Proportional to 53,810.20, 80,715.30 and 34,127.20

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Solution

The fourth proportional to 53,810.20, 80,715.30 and 34,127.20 is: 51,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,810.20 : 80,715.30 = 34,127.20 : x
  2. Step 2: Convert to fraction form
    53,810.20/80,715.30 = 34,127.20/x
  3. Step 3: Cross multiply
    53,810.20x = 80,715.30 × 34,127.20
  4. Step 4: Simplify right side
    53,810.20x = 2,754,587,186.16
  5. Step 5: Solve for x
    x = 2,754,587,186.16/53,810.20
  6. Step 6: Final answer
    x = 51,190.80

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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.