Home / 37,050.35-51,140.98-21,145.39

Finding the Fourth Proportional to 37,050.35, 51,140.98 and 21,145.39

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Solution

The fourth proportional to 37,050.35, 51,140.98 and 21,145.39 is: 29,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,050.35 : 51,140.98 = 21,145.39 : x
  2. Step 2: Convert to fraction form
    37,050.35/51,140.98 = 21,145.39/x
  3. Step 3: Cross multiply
    37,050.35x = 51,140.98 × 21,145.39
  4. Step 4: Simplify right side
    37,050.35x = 1,081,395,967.08
  5. Step 5: Solve for x
    x = 1,081,395,967.08/37,050.35
  6. Step 6: Final answer
    x = 29,187.20

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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.