Home / 37,927-52,341.78-21,160.36

Finding the Fourth Proportional to 37,927, 52,341.78 and 21,160.36

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Solution

The fourth proportional to 37,927, 52,341.78 and 21,160.36 is: 29,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,927 : 52,341.78 = 21,160.36 : x
  2. Step 2: Convert to fraction form
    37,927/52,341.78 = 21,160.36/x
  3. Step 3: Cross multiply
    37,927x = 52,341.78 × 21,160.36
  4. Step 4: Simplify right side
    37,927x = 1,107,570,907.84
  5. Step 5: Solve for x
    x = 1,107,570,907.84/37,927
  6. Step 6: Final answer
    x = 29,202.70

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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.