Home / 29,507.22-40,721.67-16,932.78

Finding the Fourth Proportional to 29,507.22, 40,721.67 and 16,932.78

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Solution

The fourth proportional to 29,507.22, 40,721.67 and 16,932.78 is: 23,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,507.22 : 40,721.67 = 16,932.78 : x
  2. Step 2: Convert to fraction form
    29,507.22/40,721.67 = 16,932.78/x
  3. Step 3: Cross multiply
    29,507.22x = 40,721.67 × 16,932.78
  4. Step 4: Simplify right side
    29,507.22x = 689,531,079.34
  5. Step 5: Solve for x
    x = 689,531,079.34/29,507.22
  6. Step 6: Final answer
    x = 23,368.22

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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.