Home / 39,287.96-53,863.86-38,577.20

Finding the Fourth Proportional to 39,287.96, 53,863.86 and 38,577.20

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Solution

The fourth proportional to 39,287.96, 53,863.86 and 38,577.20 is: 52,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,287.96 : 53,863.86 = 38,577.20 : x
  2. Step 2: Convert to fraction form
    39,287.96/53,863.86 = 38,577.20/x
  3. Step 3: Cross multiply
    39,287.96x = 53,863.86 × 38,577.20
  4. Step 4: Simplify right side
    39,287.96x = 2,077,916,899.99
  5. Step 5: Solve for x
    x = 2,077,916,899.99/39,287.96
  6. Step 6: Final answer
    x = 52,889.41

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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.