Home / 29,519.10-44,278.65-18,438.30

Finding the Fourth Proportional to 29,519.10, 44,278.65 and 18,438.30

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Solution

The fourth proportional to 29,519.10, 44,278.65 and 18,438.30 is: 27,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,519.10 : 44,278.65 = 18,438.30 : x
  2. Step 2: Convert to fraction form
    29,519.10/44,278.65 = 18,438.30/x
  3. Step 3: Cross multiply
    29,519.10x = 44,278.65 × 18,438.30
  4. Step 4: Simplify right side
    29,519.10x = 816,423,032.30
  5. Step 5: Solve for x
    x = 816,423,032.30/29,519.10
  6. Step 6: Final answer
    x = 27,657.45

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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.