Home / 30,278.34-41,783.60-16,849.22

Finding the Fourth Proportional to 30,278.34, 41,783.60 and 16,849.22

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Solution

The fourth proportional to 30,278.34, 41,783.60 and 16,849.22 is: 23,251.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,278.34 : 41,783.60 = 16,849.22 : x
  2. Step 2: Convert to fraction form
    30,278.34/41,783.60 = 16,849.22/x
  3. Step 3: Cross multiply
    30,278.34x = 41,783.60 × 16,849.22
  4. Step 4: Simplify right side
    30,278.34x = 704,021,068.79
  5. Step 5: Solve for x
    x = 704,021,068.79/30,278.34
  6. Step 6: Final answer
    x = 23,251.64

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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.