Home / 37,125.90-51,234.12-21,210.12

Finding the Fourth Proportional to 37,125.90, 51,234.12 and 21,210.12

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Solution

The fourth proportional to 37,125.90, 51,234.12 and 21,210.12 is: 29,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,125.90 : 51,234.12 = 21,210.12 : x
  2. Step 2: Convert to fraction form
    37,125.90/51,234.12 = 21,210.12/x
  3. Step 3: Cross multiply
    37,125.90x = 51,234.12 × 21,210.12
  4. Step 4: Simplify right side
    37,125.90x = 1,086,681,833.29
  5. Step 5: Solve for x
    x = 1,086,681,833.29/37,125.90
  6. Step 6: Final answer
    x = 29,270.18

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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.