Home / 37,242.89-51,389.84-21,920.33

Finding the Fourth Proportional to 37,242.89, 51,389.84 and 21,920.33

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Solution

The fourth proportional to 37,242.89, 51,389.84 and 21,920.33 is: 30,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,242.89 : 51,389.84 = 21,920.33 : x
  2. Step 2: Convert to fraction form
    37,242.89/51,389.84 = 21,920.33/x
  3. Step 3: Cross multiply
    37,242.89x = 51,389.84 × 21,920.33
  4. Step 4: Simplify right side
    37,242.89x = 1,126,482,251.45
  5. Step 5: Solve for x
    x = 1,126,482,251.45/37,242.89
  6. Step 6: Final answer
    x = 30,246.91

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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.