Home / 38,981.21-53,818.67-27,040.37

Finding the Fourth Proportional to 38,981.21, 53,818.67 and 27,040.37

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Solution

The fourth proportional to 38,981.21, 53,818.67 and 27,040.37 is: 37,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981.21 : 53,818.67 = 27,040.37 : x
  2. Step 2: Convert to fraction form
    38,981.21/53,818.67 = 27,040.37/x
  3. Step 3: Cross multiply
    38,981.21x = 53,818.67 × 27,040.37
  4. Step 4: Simplify right side
    38,981.21x = 1,455,276,749.71
  5. Step 5: Solve for x
    x = 1,455,276,749.71/38,981.21
  6. Step 6: Final answer
    x = 37,332.78

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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.