Home / 51,541.97-71,127.88-28,881.15

Finding the Fourth Proportional to 51,541.97, 71,127.88 and 28,881.15

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Solution

The fourth proportional to 51,541.97, 71,127.88 and 28,881.15 is: 39,855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,541.97 : 71,127.88 = 28,881.15 : x
  2. Step 2: Convert to fraction form
    51,541.97/71,127.88 = 28,881.15/x
  3. Step 3: Cross multiply
    51,541.97x = 71,127.88 × 28,881.15
  4. Step 4: Simplify right side
    51,541.97x = 2,054,254,615.82
  5. Step 5: Solve for x
    x = 2,054,254,615.82/51,541.97
  6. Step 6: Final answer
    x = 39,855.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.