Home / 37,782.48-52,138.98-21,866.61

Finding the Fourth Proportional to 37,782.48, 52,138.98 and 21,866.61

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Solution

The fourth proportional to 37,782.48, 52,138.98 and 21,866.61 is: 30,175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,782.48 : 52,138.98 = 21,866.61 : x
  2. Step 2: Convert to fraction form
    37,782.48/52,138.98 = 21,866.61/x
  3. Step 3: Cross multiply
    37,782.48x = 52,138.98 × 21,866.61
  4. Step 4: Simplify right side
    37,782.48x = 1,140,102,741.46
  5. Step 5: Solve for x
    x = 1,140,102,741.46/37,782.48
  6. Step 6: Final answer
    x = 30,175.43

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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.