Home / 31,188.86-43,025.64-22,677.80

Finding the Fourth Proportional to 31,188.86, 43,025.64 and 22,677.80

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Solution

The fourth proportional to 31,188.86, 43,025.64 and 22,677.80 is: 31,284.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,188.86 : 43,025.64 = 22,677.80 : x
  2. Step 2: Convert to fraction form
    31,188.86/43,025.64 = 22,677.80/x
  3. Step 3: Cross multiply
    31,188.86x = 43,025.64 × 22,677.80
  4. Step 4: Simplify right side
    31,188.86x = 975,726,858.79
  5. Step 5: Solve for x
    x = 975,726,858.79/31,188.86
  6. Step 6: Final answer
    x = 31,284.47

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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.