Home / 29,346.96-40,498.80-15,918.42

Finding the Fourth Proportional to 29,346.96, 40,498.80 and 15,918.42

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Solution

The fourth proportional to 29,346.96, 40,498.80 and 15,918.42 is: 21,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,346.96 : 40,498.80 = 15,918.42 : x
  2. Step 2: Convert to fraction form
    29,346.96/40,498.80 = 15,918.42/x
  3. Step 3: Cross multiply
    29,346.96x = 40,498.80 × 15,918.42
  4. Step 4: Simplify right side
    29,346.96x = 644,676,907.90
  5. Step 5: Solve for x
    x = 644,676,907.90/29,346.96
  6. Step 6: Final answer
    x = 21,967.42

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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.