Home / 29,521.08-40,729.32-16,772.76

Finding the Fourth Proportional to 29,521.08, 40,729.32 and 16,772.76

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Solution

The fourth proportional to 29,521.08, 40,729.32 and 16,772.76 is: 23,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,521.08 : 40,729.32 = 16,772.76 : x
  2. Step 2: Convert to fraction form
    29,521.08/40,729.32 = 16,772.76/x
  3. Step 3: Cross multiply
    29,521.08x = 40,729.32 × 16,772.76
  4. Step 4: Simplify right side
    29,521.08x = 683,143,109.32
  5. Step 5: Solve for x
    x = 683,143,109.32/29,521.08
  6. Step 6: Final answer
    x = 23,140.86

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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.