Home / 30,475.90-45,697.41-13,826.85

Finding the Fourth Proportional to 30,475.90, 45,697.41 and 13,826.85

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Solution

The fourth proportional to 30,475.90, 45,697.41 and 13,826.85 is: 20,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,475.90 : 45,697.41 = 13,826.85 : x
  2. Step 2: Convert to fraction form
    30,475.90/45,697.41 = 13,826.85/x
  3. Step 3: Cross multiply
    30,475.90x = 45,697.41 × 13,826.85
  4. Step 4: Simplify right side
    30,475.90x = 631,851,004.97
  5. Step 5: Solve for x
    x = 631,851,004.97/30,475.90
  6. Step 6: Final answer
    x = 20,732.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.