Home / 40,814.20-56,319.28-22,911.18

Finding the Fourth Proportional to 40,814.20, 56,319.28 and 22,911.18

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Solution

The fourth proportional to 40,814.20, 56,319.28 and 22,911.18 is: 31,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,814.20 : 56,319.28 = 22,911.18 : x
  2. Step 2: Convert to fraction form
    40,814.20/56,319.28 = 22,911.18/x
  3. Step 3: Cross multiply
    40,814.20x = 56,319.28 × 22,911.18
  4. Step 4: Simplify right side
    40,814.20x = 1,290,341,161.55
  5. Step 5: Solve for x
    x = 1,290,341,161.55/40,814.20
  6. Step 6: Final answer
    x = 31,615.01

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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.