Home / 57,966.84-86,950.71-20,527.07

Finding the Fourth Proportional to 57,966.84, 86,950.71 and 20,527.07

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Solution

The fourth proportional to 57,966.84, 86,950.71 and 20,527.07 is: 30,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,966.84 : 86,950.71 = 20,527.07 : x
  2. Step 2: Convert to fraction form
    57,966.84/86,950.71 = 20,527.07/x
  3. Step 3: Cross multiply
    57,966.84x = 86,950.71 × 20,527.07
  4. Step 4: Simplify right side
    57,966.84x = 1,784,842,875.97
  5. Step 5: Solve for x
    x = 1,784,842,875.97/57,966.84
  6. Step 6: Final answer
    x = 30,790.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.