Home / 37,262.08-51,421.92-21,347.20

Finding the Fourth Proportional to 37,262.08, 51,421.92 and 21,347.20

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Solution

The fourth proportional to 37,262.08, 51,421.92 and 21,347.20 is: 29,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,262.08 : 51,421.92 = 21,347.20 : x
  2. Step 2: Convert to fraction form
    37,262.08/51,421.92 = 21,347.20/x
  3. Step 3: Cross multiply
    37,262.08x = 51,421.92 × 21,347.20
  4. Step 4: Simplify right side
    37,262.08x = 1,097,714,010.62
  5. Step 5: Solve for x
    x = 1,097,714,010.62/37,262.08
  6. Step 6: Final answer
    x = 29,459.28

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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.