Home / 52,817.85-72,889.90-28,945.82

Finding the Fourth Proportional to 52,817.85, 72,889.90 and 28,945.82

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Solution

The fourth proportional to 52,817.85, 72,889.90 and 28,945.82 is: 39,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,817.85 : 72,889.90 = 28,945.82 : x
  2. Step 2: Convert to fraction form
    52,817.85/72,889.90 = 28,945.82/x
  3. Step 3: Cross multiply
    52,817.85x = 72,889.90 × 28,945.82
  4. Step 4: Simplify right side
    52,817.85x = 2,109,858,035.08
  5. Step 5: Solve for x
    x = 2,109,858,035.08/52,817.85
  6. Step 6: Final answer
    x = 39,945.93

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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.