Home / 37,257.49-51,415.10-21,127.86

Finding the Fourth Proportional to 37,257.49, 51,415.10 and 21,127.86

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Solution

The fourth proportional to 37,257.49, 51,415.10 and 21,127.86 is: 29,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,257.49 : 51,415.10 = 21,127.86 : x
  2. Step 2: Convert to fraction form
    37,257.49/51,415.10 = 21,127.86/x
  3. Step 3: Cross multiply
    37,257.49x = 51,415.10 × 21,127.86
  4. Step 4: Simplify right side
    37,257.49x = 1,086,291,127.12
  5. Step 5: Solve for x
    x = 1,086,291,127.12/37,257.49
  6. Step 6: Final answer
    x = 29,156.31

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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.