Home / 37,117.31-51,230.81-21,211.04

Finding the Fourth Proportional to 37,117.31, 51,230.81 and 21,211.04

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Solution

The fourth proportional to 37,117.31, 51,230.81 and 21,211.04 is: 29,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,117.31 : 51,230.81 = 21,211.04 : x
  2. Step 2: Convert to fraction form
    37,117.31/51,230.81 = 21,211.04/x
  3. Step 3: Cross multiply
    37,117.31x = 51,230.81 × 21,211.04
  4. Step 4: Simplify right side
    37,117.31x = 1,086,658,760.14
  5. Step 5: Solve for x
    x = 1,086,658,760.14/37,117.31
  6. Step 6: Final answer
    x = 29,276.33

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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.