Home / 38,971.40-53,780.28-23,055.56

Finding the Fourth Proportional to 38,971.40, 53,780.28 and 23,055.56

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Solution

The fourth proportional to 38,971.40, 53,780.28 and 23,055.56 is: 31,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,971.40 : 53,780.28 = 23,055.56 : x
  2. Step 2: Convert to fraction form
    38,971.40/53,780.28 = 23,055.56/x
  3. Step 3: Cross multiply
    38,971.40x = 53,780.28 × 23,055.56
  4. Step 4: Simplify right side
    38,971.40x = 1,239,934,472.36
  5. Step 5: Solve for x
    x = 1,239,934,472.36/38,971.40
  6. Step 6: Final answer
    x = 31,816.52

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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.