Home / 29,231.31-40,340.12-16,655.25

Finding the Fourth Proportional to 29,231.31, 40,340.12 and 16,655.25

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Solution

The fourth proportional to 29,231.31, 40,340.12 and 16,655.25 is: 22,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,231.31 : 40,340.12 = 16,655.25 : x
  2. Step 2: Convert to fraction form
    29,231.31/40,340.12 = 16,655.25/x
  3. Step 3: Cross multiply
    29,231.31x = 40,340.12 × 16,655.25
  4. Step 4: Simplify right side
    29,231.31x = 671,874,700.35
  5. Step 5: Solve for x
    x = 671,874,700.35/29,231.31
  6. Step 6: Final answer
    x = 22,984.76

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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.