Home / 38,784.48-53,509.14-22,865.54

Finding the Fourth Proportional to 38,784.48, 53,509.14 and 22,865.54

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Solution

The fourth proportional to 38,784.48, 53,509.14 and 22,865.54 is: 31,546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784.48 : 53,509.14 = 22,865.54 : x
  2. Step 2: Convert to fraction form
    38,784.48/53,509.14 = 22,865.54/x
  3. Step 3: Cross multiply
    38,784.48x = 53,509.14 × 22,865.54
  4. Step 4: Simplify right side
    38,784.48x = 1,223,515,381.04
  5. Step 5: Solve for x
    x = 1,223,515,381.04/38,784.48
  6. Step 6: Final answer
    x = 31,546.52

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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.