Home / 30,357.45-41,888.21-16,925.76

Finding the Fourth Proportional to 30,357.45, 41,888.21 and 16,925.76

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Solution

The fourth proportional to 30,357.45, 41,888.21 and 16,925.76 is: 23,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,357.45 : 41,888.21 = 16,925.76 : x
  2. Step 2: Convert to fraction form
    30,357.45/41,888.21 = 16,925.76/x
  3. Step 3: Cross multiply
    30,357.45x = 41,888.21 × 16,925.76
  4. Step 4: Simplify right side
    30,357.45x = 708,989,704.66
  5. Step 5: Solve for x
    x = 708,989,704.66/30,357.45
  6. Step 6: Final answer
    x = 23,354.72

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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.