Home / 37,050.21-51,128.80-21,134.92

Finding the Fourth Proportional to 37,050.21, 51,128.80 and 21,134.92

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Solution

The fourth proportional to 37,050.21, 51,128.80 and 21,134.92 is: 29,165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,050.21 : 51,128.80 = 21,134.92 : x
  2. Step 2: Convert to fraction form
    37,050.21/51,128.80 = 21,134.92/x
  3. Step 3: Cross multiply
    37,050.21x = 51,128.80 × 21,134.92
  4. Step 4: Simplify right side
    37,050.21x = 1,080,603,097.70
  5. Step 5: Solve for x
    x = 1,080,603,097.70/37,050.21
  6. Step 6: Final answer
    x = 29,165.91

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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.