Home / 37,209.12-51,349.68-21,298.68

Finding the Fourth Proportional to 37,209.12, 51,349.68 and 21,298.68

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Solution

The fourth proportional to 37,209.12, 51,349.68 and 21,298.68 is: 29,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,209.12 : 51,349.68 = 21,298.68 : x
  2. Step 2: Convert to fraction form
    37,209.12/51,349.68 = 21,298.68/x
  3. Step 3: Cross multiply
    37,209.12x = 51,349.68 × 21,298.68
  4. Step 4: Simplify right side
    37,209.12x = 1,093,680,402.42
  5. Step 5: Solve for x
    x = 1,093,680,402.42/37,209.12
  6. Step 6: Final answer
    x = 29,392.80

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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.