Home / 29,507.37-40,720.18-16,078.63

Finding the Fourth Proportional to 29,507.37, 40,720.18 and 16,078.63

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Solution

The fourth proportional to 29,507.37, 40,720.18 and 16,078.63 is: 22,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,507.37 : 40,720.18 = 16,078.63 : x
  2. Step 2: Convert to fraction form
    29,507.37/40,720.18 = 16,078.63/x
  3. Step 3: Cross multiply
    29,507.37x = 40,720.18 × 16,078.63
  4. Step 4: Simplify right side
    29,507.37x = 654,724,747.95
  5. Step 5: Solve for x
    x = 654,724,747.95/29,507.37
  6. Step 6: Final answer
    x = 22,188.51

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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.