Home / 52,513.83-72,469.08-28,640.57

Finding the Fourth Proportional to 52,513.83, 72,469.08 and 28,640.57

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Solution

The fourth proportional to 52,513.83, 72,469.08 and 28,640.57 is: 39,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,513.83 : 72,469.08 = 28,640.57 : x
  2. Step 2: Convert to fraction form
    52,513.83/72,469.08 = 28,640.57/x
  3. Step 3: Cross multiply
    52,513.83x = 72,469.08 × 28,640.57
  4. Step 4: Simplify right side
    52,513.83x = 2,075,555,396.23
  5. Step 5: Solve for x
    x = 2,075,555,396.23/52,513.83
  6. Step 6: Final answer
    x = 39,523.98

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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.