Home / 39,007.20-58,381.20-34,341.60

Finding the Fourth Proportional to 39,007.20, 58,381.20 and 34,341.60

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Solution

The fourth proportional to 39,007.20, 58,381.20 and 34,341.60 is: 51,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,007.20 : 58,381.20 = 34,341.60 : x
  2. Step 2: Convert to fraction form
    39,007.20/58,381.20 = 34,341.60/x
  3. Step 3: Cross multiply
    39,007.20x = 58,381.20 × 34,341.60
  4. Step 4: Simplify right side
    39,007.20x = 2,004,903,817.92
  5. Step 5: Solve for x
    x = 2,004,903,817.92/39,007.20
  6. Step 6: Final answer
    x = 51,398.30

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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.