Home / 29,178.96-40,267.75-16,432.60

Finding the Fourth Proportional to 29,178.96, 40,267.75 and 16,432.60

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Solution

The fourth proportional to 29,178.96, 40,267.75 and 16,432.60 is: 22,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,178.96 : 40,267.75 = 16,432.60 : x
  2. Step 2: Convert to fraction form
    29,178.96/40,267.75 = 16,432.60/x
  3. Step 3: Cross multiply
    29,178.96x = 40,267.75 × 16,432.60
  4. Step 4: Simplify right side
    29,178.96x = 661,703,828.65
  5. Step 5: Solve for x
    x = 661,703,828.65/29,178.96
  6. Step 6: Final answer
    x = 22,677.43

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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.