Home / 38,687.66-53,384.94-22,771.16

Finding the Fourth Proportional to 38,687.66, 53,384.94 and 22,771.16

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Solution

The fourth proportional to 38,687.66, 53,384.94 and 22,771.16 is: 31,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,687.66 : 53,384.94 = 22,771.16 : x
  2. Step 2: Convert to fraction form
    38,687.66/53,384.94 = 22,771.16/x
  3. Step 3: Cross multiply
    38,687.66x = 53,384.94 × 22,771.16
  4. Step 4: Simplify right side
    38,687.66x = 1,215,637,010.33
  5. Step 5: Solve for x
    x = 1,215,637,010.33/38,687.66
  6. Step 6: Final answer
    x = 31,421.83

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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.