Home / 40,860.40-61,348.20-25,308.40

Finding the Fourth Proportional to 40,860.40, 61,348.20 and 25,308.40

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Solution

The fourth proportional to 40,860.40, 61,348.20 and 25,308.40 is: 37,998.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,860.40 : 61,348.20 = 25,308.40 : x
  2. Step 2: Convert to fraction form
    40,860.40/61,348.20 = 25,308.40/x
  3. Step 3: Cross multiply
    40,860.40x = 61,348.20 × 25,308.40
  4. Step 4: Simplify right side
    40,860.40x = 1,552,624,784.88
  5. Step 5: Solve for x
    x = 1,552,624,784.88/40,860.40
  6. Step 6: Final answer
    x = 37,998.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.