Home / 36,155.28-49,897.36-20,239.52

Finding the Fourth Proportional to 36,155.28, 49,897.36 and 20,239.52

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Solution

The fourth proportional to 36,155.28, 49,897.36 and 20,239.52 is: 27,932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,155.28 : 49,897.36 = 20,239.52 : x
  2. Step 2: Convert to fraction form
    36,155.28/49,897.36 = 20,239.52/x
  3. Step 3: Cross multiply
    36,155.28x = 49,897.36 × 20,239.52
  4. Step 4: Simplify right side
    36,155.28x = 1,009,898,615.67
  5. Step 5: Solve for x
    x = 1,009,898,615.67/36,155.28
  6. Step 6: Final answer
    x = 27,932.26

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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.