Home / 38,050.50-52,513.62-21,918.36

Finding the Fourth Proportional to 38,050.50, 52,513.62 and 21,918.36

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Solution

The fourth proportional to 38,050.50, 52,513.62 and 21,918.36 is: 30,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,050.50 : 52,513.62 = 21,918.36 : x
  2. Step 2: Convert to fraction form
    38,050.50/52,513.62 = 21,918.36/x
  3. Step 3: Cross multiply
    38,050.50x = 52,513.62 × 21,918.36
  4. Step 4: Simplify right side
    38,050.50x = 1,151,012,428.06
  5. Step 5: Solve for x
    x = 1,151,012,428.06/38,050.50
  6. Step 6: Final answer
    x = 30,249.60

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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.