Home / 34,536.12-47,658.78-19,429.62

Finding the Fourth Proportional to 34,536.12, 47,658.78 and 19,429.62

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Solution

The fourth proportional to 34,536.12, 47,658.78 and 19,429.62 is: 26,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,536.12 : 47,658.78 = 19,429.62 : x
  2. Step 2: Convert to fraction form
    34,536.12/47,658.78 = 19,429.62/x
  3. Step 3: Cross multiply
    34,536.12x = 47,658.78 × 19,429.62
  4. Step 4: Simplify right side
    34,536.12x = 925,991,985.06
  5. Step 5: Solve for x
    x = 925,991,985.06/34,536.12
  6. Step 6: Final answer
    x = 26,812.28

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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.