Home / 37,412.80-51,632.58-21,502.78

Finding the Fourth Proportional to 37,412.80, 51,632.58 and 21,502.78

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Solution

The fourth proportional to 37,412.80, 51,632.58 and 21,502.78 is: 29,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,412.80 : 51,632.58 = 21,502.78 : x
  2. Step 2: Convert to fraction form
    37,412.80/51,632.58 = 21,502.78/x
  3. Step 3: Cross multiply
    37,412.80x = 51,632.58 × 21,502.78
  4. Step 4: Simplify right side
    37,412.80x = 1,110,244,008.57
  5. Step 5: Solve for x
    x = 1,110,244,008.57/37,412.80
  6. Step 6: Final answer
    x = 29,675.51

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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.