Home / 38,983.28-53,811.44-30,352.32

Finding the Fourth Proportional to 38,983.28, 53,811.44 and 30,352.32

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Solution

The fourth proportional to 38,983.28, 53,811.44 and 30,352.32 is: 41,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,983.28 : 53,811.44 = 30,352.32 : x
  2. Step 2: Convert to fraction form
    38,983.28/53,811.44 = 30,352.32/x
  3. Step 3: Cross multiply
    38,983.28x = 53,811.44 × 30,352.32
  4. Step 4: Simplify right side
    38,983.28x = 1,633,301,894.78
  5. Step 5: Solve for x
    x = 1,633,301,894.78/38,983.28
  6. Step 6: Final answer
    x = 41,897.50

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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.