Home / 51,209.82-70,669.85-28,550.23

Finding the Fourth Proportional to 51,209.82, 70,669.85 and 28,550.23

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Solution

The fourth proportional to 51,209.82, 70,669.85 and 28,550.23 is: 39,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,209.82 : 70,669.85 = 28,550.23 : x
  2. Step 2: Convert to fraction form
    51,209.82/70,669.85 = 28,550.23/x
  3. Step 3: Cross multiply
    51,209.82x = 70,669.85 × 28,550.23
  4. Step 4: Simplify right side
    51,209.82x = 2,017,640,152.14
  5. Step 5: Solve for x
    x = 2,017,640,152.14/51,209.82
  6. Step 6: Final answer
    x = 39,399.48

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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.