Home / 31,666.06-47,535.90-18,527.86

Finding the Fourth Proportional to 31,666.06, 47,535.90 and 18,527.86

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Solution

The fourth proportional to 31,666.06, 47,535.90 and 18,527.86 is: 27,813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,666.06 : 47,535.90 = 18,527.86 : x
  2. Step 2: Convert to fraction form
    31,666.06/47,535.90 = 18,527.86/x
  3. Step 3: Cross multiply
    31,666.06x = 47,535.90 × 18,527.86
  4. Step 4: Simplify right side
    31,666.06x = 880,738,500.17
  5. Step 5: Solve for x
    x = 880,738,500.17/31,666.06
  6. Step 6: Final answer
    x = 27,813.33

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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.