Home / 39,035.48-53,824.38-31,078.04

Finding the Fourth Proportional to 39,035.48, 53,824.38 and 31,078.04

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Solution

The fourth proportional to 39,035.48, 53,824.38 and 31,078.04 is: 42,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,035.48 : 53,824.38 = 31,078.04 : x
  2. Step 2: Convert to fraction form
    39,035.48/53,824.38 = 31,078.04/x
  3. Step 3: Cross multiply
    39,035.48x = 53,824.38 × 31,078.04
  4. Step 4: Simplify right side
    39,035.48x = 1,672,756,234.62
  5. Step 5: Solve for x
    x = 1,672,756,234.62/39,035.48
  6. Step 6: Final answer
    x = 42,852.20

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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.