Home / 38,419.77-57,629.93-12,127.17

Finding the Fourth Proportional to 38,419.77, 57,629.93 and 12,127.17

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Solution

The fourth proportional to 38,419.77, 57,629.93 and 12,127.17 is: 18,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,419.77 : 57,629.93 = 12,127.17 : x
  2. Step 2: Convert to fraction form
    38,419.77/57,629.93 = 12,127.17/x
  3. Step 3: Cross multiply
    38,419.77x = 57,629.93 × 12,127.17
  4. Step 4: Simplify right side
    38,419.77x = 698,887,897.56
  5. Step 5: Solve for x
    x = 698,887,897.56/38,419.77
  6. Step 6: Final answer
    x = 18,190.84

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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.