Home / 38,453.58-53,066.34-21,459.42

Finding the Fourth Proportional to 38,453.58, 53,066.34 and 21,459.42

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Solution

The fourth proportional to 38,453.58, 53,066.34 and 21,459.42 is: 29,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,453.58 : 53,066.34 = 21,459.42 : x
  2. Step 2: Convert to fraction form
    38,453.58/53,066.34 = 21,459.42/x
  3. Step 3: Cross multiply
    38,453.58x = 53,066.34 × 21,459.42
  4. Step 4: Simplify right side
    38,453.58x = 1,138,772,877.92
  5. Step 5: Solve for x
    x = 1,138,772,877.92/38,453.58
  6. Step 6: Final answer
    x = 29,614.22

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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.