Home / 40,814.71-56,319.96-22,911.69

Finding the Fourth Proportional to 40,814.71, 56,319.96 and 22,911.69

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Solution

The fourth proportional to 40,814.71, 56,319.96 and 22,911.69 is: 31,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,814.71 : 56,319.96 = 22,911.69 : x
  2. Step 2: Convert to fraction form
    40,814.71/56,319.96 = 22,911.69/x
  3. Step 3: Cross multiply
    40,814.71x = 56,319.96 × 22,911.69
  4. Step 4: Simplify right side
    40,814.71x = 1,290,385,464.33
  5. Step 5: Solve for x
    x = 1,290,385,464.33/40,814.71
  6. Step 6: Final answer
    x = 31,615.70

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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.