Home / 40,319.66-55,642.98-22,416.50

Finding the Fourth Proportional to 40,319.66, 55,642.98 and 22,416.50

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Solution

The fourth proportional to 40,319.66, 55,642.98 and 22,416.50 is: 30,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.66 : 55,642.98 = 22,416.50 : x
  2. Step 2: Convert to fraction form
    40,319.66/55,642.98 = 22,416.50/x
  3. Step 3: Cross multiply
    40,319.66x = 55,642.98 × 22,416.50
  4. Step 4: Simplify right side
    40,319.66x = 1,247,320,861.17
  5. Step 5: Solve for x
    x = 1,247,320,861.17/40,319.66
  6. Step 6: Final answer
    x = 30,935.80

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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.