Home / 37,699.24-52,021.02-21,788.80

Finding the Fourth Proportional to 37,699.24, 52,021.02 and 21,788.80

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Solution

The fourth proportional to 37,699.24, 52,021.02 and 21,788.80 is: 30,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,699.24 : 52,021.02 = 21,788.80 : x
  2. Step 2: Convert to fraction form
    37,699.24/52,021.02 = 21,788.80/x
  3. Step 3: Cross multiply
    37,699.24x = 52,021.02 × 21,788.80
  4. Step 4: Simplify right side
    37,699.24x = 1,133,475,600.58
  5. Step 5: Solve for x
    x = 1,133,475,600.58/37,699.24
  6. Step 6: Final answer
    x = 30,066.27

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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.