Home / 46,109.43-69,126.85-19,438.20

Finding the Fourth Proportional to 46,109.43, 69,126.85 and 19,438.20

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Solution

The fourth proportional to 46,109.43, 69,126.85 and 19,438.20 is: 29,141.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,109.43 : 69,126.85 = 19,438.20 : x
  2. Step 2: Convert to fraction form
    46,109.43/69,126.85 = 19,438.20/x
  3. Step 3: Cross multiply
    46,109.43x = 69,126.85 × 19,438.20
  4. Step 4: Simplify right side
    46,109.43x = 1,343,701,535.67
  5. Step 5: Solve for x
    x = 1,343,701,535.67/46,109.43
  6. Step 6: Final answer
    x = 29,141.58

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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.