Home / 38,748.36-53,524.68-31,224

Finding the Fourth Proportional to 38,748.36, 53,524.68 and 31,224

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Solution

The fourth proportional to 38,748.36, 53,524.68 and 31,224 is: 43,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,748.36 : 53,524.68 = 31,224 : x
  2. Step 2: Convert to fraction form
    38,748.36/53,524.68 = 31,224/x
  3. Step 3: Cross multiply
    38,748.36x = 53,524.68 × 31,224
  4. Step 4: Simplify right side
    38,748.36x = 1,671,254,608.32
  5. Step 5: Solve for x
    x = 1,671,254,608.32/38,748.36
  6. Step 6: Final answer
    x = 43,130.98

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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.