Home / 33,423.41-46,145.28-21,507.46

Finding the Fourth Proportional to 33,423.41, 46,145.28 and 21,507.46

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Solution

The fourth proportional to 33,423.41, 46,145.28 and 21,507.46 is: 29,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,423.41 : 46,145.28 = 21,507.46 : x
  2. Step 2: Convert to fraction form
    33,423.41/46,145.28 = 21,507.46/x
  3. Step 3: Cross multiply
    33,423.41x = 46,145.28 × 21,507.46
  4. Step 4: Simplify right side
    33,423.41x = 992,467,590.74
  5. Step 5: Solve for x
    x = 992,467,590.74/33,423.41
  6. Step 6: Final answer
    x = 29,693.79

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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.