Home / 51,916.77-71,645.17-28,043.45

Finding the Fourth Proportional to 51,916.77, 71,645.17 and 28,043.45

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Solution

The fourth proportional to 51,916.77, 71,645.17 and 28,043.45 is: 38,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,916.77 : 71,645.17 = 28,043.45 : x
  2. Step 2: Convert to fraction form
    51,916.77/71,645.17 = 28,043.45/x
  3. Step 3: Cross multiply
    51,916.77x = 71,645.17 × 28,043.45
  4. Step 4: Simplify right side
    51,916.77x = 2,009,177,384.41
  5. Step 5: Solve for x
    x = 2,009,177,384.41/51,916.77
  6. Step 6: Final answer
    x = 38,699.97

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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.