Home / 39,289.96-53,866.60-38,579.20

Finding the Fourth Proportional to 39,289.96, 53,866.60 and 38,579.20

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Solution

The fourth proportional to 39,289.96, 53,866.60 and 38,579.20 is: 52,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,289.96 : 53,866.60 = 38,579.20 : x
  2. Step 2: Convert to fraction form
    39,289.96/53,866.60 = 38,579.20/x
  3. Step 3: Cross multiply
    39,289.96x = 53,866.60 × 38,579.20
  4. Step 4: Simplify right side
    39,289.96x = 2,078,130,334.72
  5. Step 5: Solve for x
    x = 2,078,130,334.72/39,289.96
  6. Step 6: Final answer
    x = 52,892.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.