Home / 40,855.14-56,378.70-22,950.90

Finding the Fourth Proportional to 40,855.14, 56,378.70 and 22,950.90

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Solution

The fourth proportional to 40,855.14, 56,378.70 and 22,950.90 is: 31,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,855.14 : 56,378.70 = 22,950.90 : x
  2. Step 2: Convert to fraction form
    40,855.14/56,378.70 = 22,950.90/x
  3. Step 3: Cross multiply
    40,855.14x = 56,378.70 × 22,950.90
  4. Step 4: Simplify right side
    40,855.14x = 1,293,941,905.83
  5. Step 5: Solve for x
    x = 1,293,941,905.83/40,855.14
  6. Step 6: Final answer
    x = 31,671.46

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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.