Home / 38,913.60-53,703.36-22,146.24

Finding the Fourth Proportional to 38,913.60, 53,703.36 and 22,146.24

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Solution

The fourth proportional to 38,913.60, 53,703.36 and 22,146.24 is: 30,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,913.60 : 53,703.36 = 22,146.24 : x
  2. Step 2: Convert to fraction form
    38,913.60/53,703.36 = 22,146.24/x
  3. Step 3: Cross multiply
    38,913.60x = 53,703.36 × 22,146.24
  4. Step 4: Simplify right side
    38,913.60x = 1,189,327,499.37
  5. Step 5: Solve for x
    x = 1,189,327,499.37/38,913.60
  6. Step 6: Final answer
    x = 30,563.29

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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.