Home / 40,226.09-55,459.18-34,620.99

Finding the Fourth Proportional to 40,226.09, 55,459.18 and 34,620.99

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Solution

The fourth proportional to 40,226.09, 55,459.18 and 34,620.99 is: 47,731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,226.09 : 55,459.18 = 34,620.99 : x
  2. Step 2: Convert to fraction form
    40,226.09/55,459.18 = 34,620.99/x
  3. Step 3: Cross multiply
    40,226.09x = 55,459.18 × 34,620.99
  4. Step 4: Simplify right side
    40,226.09x = 1,920,051,551.49
  5. Step 5: Solve for x
    x = 1,920,051,551.49/40,226.09
  6. Step 6: Final answer
    x = 47,731.50

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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.