Home / 29,347.56-40,499.42-15,918.84

Finding the Fourth Proportional to 29,347.56, 40,499.42 and 15,918.84

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Solution

The fourth proportional to 29,347.56, 40,499.42 and 15,918.84 is: 21,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,347.56 : 40,499.42 = 15,918.84 : x
  2. Step 2: Convert to fraction form
    29,347.56/40,499.42 = 15,918.84/x
  3. Step 3: Cross multiply
    29,347.56x = 40,499.42 × 15,918.84
  4. Step 4: Simplify right side
    29,347.56x = 644,703,707.48
  5. Step 5: Solve for x
    x = 644,703,707.48/29,347.56
  6. Step 6: Final answer
    x = 21,967.88

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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.