Home / 34,329.64-47,372.36-19,218.82

Finding the Fourth Proportional to 34,329.64, 47,372.36 and 19,218.82

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Solution

The fourth proportional to 34,329.64, 47,372.36 and 19,218.82 is: 26,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,329.64 : 47,372.36 = 19,218.82 : x
  2. Step 2: Convert to fraction form
    34,329.64/47,372.36 = 19,218.82/x
  3. Step 3: Cross multiply
    34,329.64x = 47,372.36 × 19,218.82
  4. Step 4: Simplify right side
    34,329.64x = 910,440,859.82
  5. Step 5: Solve for x
    x = 910,440,859.82/34,329.64
  6. Step 6: Final answer
    x = 26,520.55

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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.