Home / 38,911.56-53,707.56-22,154.28

Finding the Fourth Proportional to 38,911.56, 53,707.56 and 22,154.28

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Solution

The fourth proportional to 38,911.56, 53,707.56 and 22,154.28 is: 30,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,911.56 : 53,707.56 = 22,154.28 : x
  2. Step 2: Convert to fraction form
    38,911.56/53,707.56 = 22,154.28/x
  3. Step 3: Cross multiply
    38,911.56x = 53,707.56 × 22,154.28
  4. Step 4: Simplify right side
    38,911.56x = 1,189,852,322.36
  5. Step 5: Solve for x
    x = 1,189,852,322.36/38,911.56
  6. Step 6: Final answer
    x = 30,578.38

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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.