Home / 51,581.25-71,188.02-28,926.36

Finding the Fourth Proportional to 51,581.25, 71,188.02 and 28,926.36

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Solution

The fourth proportional to 51,581.25, 71,188.02 and 28,926.36 is: 39,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,581.25 : 71,188.02 = 28,926.36 : x
  2. Step 2: Convert to fraction form
    51,581.25/71,188.02 = 28,926.36/x
  3. Step 3: Cross multiply
    51,581.25x = 71,188.02 × 28,926.36
  4. Step 4: Simplify right side
    51,581.25x = 2,059,210,294.21
  5. Step 5: Solve for x
    x = 2,059,210,294.21/51,581.25
  6. Step 6: Final answer
    x = 39,921.68

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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.