Home / 37,279.80-51,449.06-21,368.16

Finding the Fourth Proportional to 37,279.80, 51,449.06 and 21,368.16

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Solution

The fourth proportional to 37,279.80, 51,449.06 and 21,368.16 is: 29,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,279.80 : 51,449.06 = 21,368.16 : x
  2. Step 2: Convert to fraction form
    37,279.80/51,449.06 = 21,368.16/x
  3. Step 3: Cross multiply
    37,279.80x = 51,449.06 × 21,368.16
  4. Step 4: Simplify right side
    37,279.80x = 1,099,371,745.93
  5. Step 5: Solve for x
    x = 1,099,371,745.93/37,279.80
  6. Step 6: Final answer
    x = 29,489.74

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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.