Home / 51,577.80-71,177.33-28,916.73

Finding the Fourth Proportional to 51,577.80, 71,177.33 and 28,916.73

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Solution

The fourth proportional to 51,577.80, 71,177.33 and 28,916.73 is: 39,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,577.80 : 71,177.33 = 28,916.73 : x
  2. Step 2: Convert to fraction form
    51,577.80/71,177.33 = 28,916.73/x
  3. Step 3: Cross multiply
    51,577.80x = 71,177.33 × 28,916.73
  4. Step 4: Simplify right side
    51,577.80x = 2,058,215,706.02
  5. Step 5: Solve for x
    x = 2,058,215,706.02/51,577.80
  6. Step 6: Final answer
    x = 39,905.07

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1.5x scale

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.