Home / 29,347.43-40,499.46-15,918.63

Finding the Fourth Proportional to 29,347.43, 40,499.46 and 15,918.63

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Solution

The fourth proportional to 29,347.43, 40,499.46 and 15,918.63 is: 21,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,347.43 : 40,499.46 = 15,918.63 : x
  2. Step 2: Convert to fraction form
    29,347.43/40,499.46 = 15,918.63/x
  3. Step 3: Cross multiply
    29,347.43x = 40,499.46 × 15,918.63
  4. Step 4: Simplify right side
    29,347.43x = 644,695,918.94
  5. Step 5: Solve for x
    x = 644,695,918.94/29,347.43
  6. Step 6: Final answer
    x = 21,967.72

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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.