Home / 38,971.32-53,780.94-23,055.36

Finding the Fourth Proportional to 38,971.32, 53,780.94 and 23,055.36

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Solution

The fourth proportional to 38,971.32, 53,780.94 and 23,055.36 is: 31,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,971.32 : 53,780.94 = 23,055.36 : x
  2. Step 2: Convert to fraction form
    38,971.32/53,780.94 = 23,055.36/x
  3. Step 3: Cross multiply
    38,971.32x = 53,780.94 × 23,055.36
  4. Step 4: Simplify right side
    38,971.32x = 1,239,938,932.84
  5. Step 5: Solve for x
    x = 1,239,938,932.84/38,971.32
  6. Step 6: Final answer
    x = 31,816.70

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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.