Home / 29,403.86-40,568.39-16,655.02

Finding the Fourth Proportional to 29,403.86, 40,568.39 and 16,655.02

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Solution

The fourth proportional to 29,403.86, 40,568.39 and 16,655.02 is: 22,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,403.86 : 40,568.39 = 16,655.02 : x
  2. Step 2: Convert to fraction form
    29,403.86/40,568.39 = 16,655.02/x
  3. Step 3: Cross multiply
    29,403.86x = 40,568.39 × 16,655.02
  4. Step 4: Simplify right side
    29,403.86x = 675,667,060.70
  5. Step 5: Solve for x
    x = 675,667,060.70/29,403.86
  6. Step 6: Final answer
    x = 22,978.86

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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.