Home / 38,254.56-57,388.32-11,954.13

Finding the Fourth Proportional to 38,254.56, 57,388.32 and 11,954.13

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Solution

The fourth proportional to 38,254.56, 57,388.32 and 11,954.13 is: 17,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,254.56 : 57,388.32 = 11,954.13 : x
  2. Step 2: Convert to fraction form
    38,254.56/57,388.32 = 11,954.13/x
  3. Step 3: Cross multiply
    38,254.56x = 57,388.32 × 11,954.13
  4. Step 4: Simplify right side
    38,254.56x = 686,027,437.76
  5. Step 5: Solve for x
    x = 686,027,437.76/38,254.56
  6. Step 6: Final answer
    x = 17,933.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.