Home / 69,221.58-95,549.51-40,550.45

Finding the Fourth Proportional to 69,221.58, 95,549.51 and 40,550.45

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Solution

The fourth proportional to 69,221.58, 95,549.51 and 40,550.45 is: 55,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,221.58 : 95,549.51 = 40,550.45 : x
  2. Step 2: Convert to fraction form
    69,221.58/95,549.51 = 40,550.45/x
  3. Step 3: Cross multiply
    69,221.58x = 95,549.51 × 40,550.45
  4. Step 4: Simplify right side
    69,221.58x = 3,874,574,947.28
  5. Step 5: Solve for x
    x = 3,874,574,947.28/69,221.58
  6. Step 6: Final answer
    x = 55,973.51

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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.