Home / 34,859.28-48,109.08-21,439.32

Finding the Fourth Proportional to 34,859.28, 48,109.08 and 21,439.32

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Solution

The fourth proportional to 34,859.28, 48,109.08 and 21,439.32 is: 29,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.28 : 48,109.08 = 21,439.32 : x
  2. Step 2: Convert to fraction form
    34,859.28/48,109.08 = 21,439.32/x
  3. Step 3: Cross multiply
    34,859.28x = 48,109.08 × 21,439.32
  4. Step 4: Simplify right side
    34,859.28x = 1,031,425,961.03
  5. Step 5: Solve for x
    x = 1,031,425,961.03/34,859.28
  6. Step 6: Final answer
    x = 29,588.27

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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.