Home / 37,738.08-52,076.52-20,970

Finding the Fourth Proportional to 37,738.08, 52,076.52 and 20,970

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Solution

The fourth proportional to 37,738.08, 52,076.52 and 20,970 is: 28,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,738.08 : 52,076.52 = 20,970 : x
  2. Step 2: Convert to fraction form
    37,738.08/52,076.52 = 20,970/x
  3. Step 3: Cross multiply
    37,738.08x = 52,076.52 × 20,970
  4. Step 4: Simplify right side
    37,738.08x = 1,092,044,624.40
  5. Step 5: Solve for x
    x = 1,092,044,624.40/37,738.08
  6. Step 6: Final answer
    x = 28,937.47

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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.