Home / 38,527.86-53,160.93-21,757.62

Finding the Fourth Proportional to 38,527.86, 53,160.93 and 21,757.62

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Solution

The fourth proportional to 38,527.86, 53,160.93 and 21,757.62 is: 30,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,527.86 : 53,160.93 = 21,757.62 : x
  2. Step 2: Convert to fraction form
    38,527.86/53,160.93 = 21,757.62/x
  3. Step 3: Cross multiply
    38,527.86x = 53,160.93 × 21,757.62
  4. Step 4: Simplify right side
    38,527.86x = 1,156,655,313.79
  5. Step 5: Solve for x
    x = 1,156,655,313.79/38,527.86
  6. Step 6: Final answer
    x = 30,021.27

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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.