Home / 40,207.74-55,490.08-22,308.50

Finding the Fourth Proportional to 40,207.74, 55,490.08 and 22,308.50

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Solution

The fourth proportional to 40,207.74, 55,490.08 and 22,308.50 is: 30,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,207.74 : 55,490.08 = 22,308.50 : x
  2. Step 2: Convert to fraction form
    40,207.74/55,490.08 = 22,308.50/x
  3. Step 3: Cross multiply
    40,207.74x = 55,490.08 × 22,308.50
  4. Step 4: Simplify right side
    40,207.74x = 1,237,900,449.68
  5. Step 5: Solve for x
    x = 1,237,900,449.68/40,207.74
  6. Step 6: Final answer
    x = 30,787.62

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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.