Home / 37,050.84-51,129.72-21,135.24

Finding the Fourth Proportional to 37,050.84, 51,129.72 and 21,135.24

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Solution

The fourth proportional to 37,050.84, 51,129.72 and 21,135.24 is: 29,166.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,050.84 : 51,129.72 = 21,135.24 : x
  2. Step 2: Convert to fraction form
    37,050.84/51,129.72 = 21,135.24/x
  3. Step 3: Cross multiply
    37,050.84x = 51,129.72 × 21,135.24
  4. Step 4: Simplify right side
    37,050.84x = 1,080,638,903.33
  5. Step 5: Solve for x
    x = 1,080,638,903.33/37,050.84
  6. Step 6: Final answer
    x = 29,166.38

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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.