Home / 40,898.79-56,437.26-22,990.30

Finding the Fourth Proportional to 40,898.79, 56,437.26 and 22,990.30

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Solution

The fourth proportional to 40,898.79, 56,437.26 and 22,990.30 is: 31,724.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,898.79 : 56,437.26 = 22,990.30 : x
  2. Step 2: Convert to fraction form
    40,898.79/56,437.26 = 22,990.30/x
  3. Step 3: Cross multiply
    40,898.79x = 56,437.26 × 22,990.30
  4. Step 4: Simplify right side
    40,898.79x = 1,297,509,311.27
  5. Step 5: Solve for x
    x = 1,297,509,311.27/40,898.79
  6. Step 6: Final answer
    x = 31,724.88

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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.