Home / 29,467.98-40,668.48-18,140.40

Finding the Fourth Proportional to 29,467.98, 40,668.48 and 18,140.40

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Solution

The fourth proportional to 29,467.98, 40,668.48 and 18,140.40 is: 25,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,467.98 : 40,668.48 = 18,140.40 : x
  2. Step 2: Convert to fraction form
    29,467.98/40,668.48 = 18,140.40/x
  3. Step 3: Cross multiply
    29,467.98x = 40,668.48 × 18,140.40
  4. Step 4: Simplify right side
    29,467.98x = 737,742,494.59
  5. Step 5: Solve for x
    x = 737,742,494.59/29,467.98
  6. Step 6: Final answer
    x = 25,035.39

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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.